def __init__(self, name, size, border_layers):
if not (type(border_layers) == list):
border_layers = [border_layers]
Cell.__init__(self, name)
self.size_x, self.size_y = size
# Create the border of the cell
for l in border_layers:
self.border = Box((-self.size_x / 2., -self.size_y / 2.),
(self.size_x / 2., self.size_y / 2.),
1,
layer=l)
self.add(self.border) # Add border to the frame
self.align_markers = None
def make_theory_cell(wafer_orient='111'):
''' Makes the theory cell and returns ir as a cell'''
# Pitch Dependence
PitchDep = Cell('PitchDependence')
arrayHeight = 5.
arrayWidth = arrayHeight * 2.
arraySpacing = 10.
spacing = 0.5
length = [arrayWidth]
widths = [0.050, 0.100, 0.150, 0.200, 0.250]
wire_spacings = [0.100, 0.200, 0.400]
for j, width in enumerate(widths):
for i, wire_spacing in enumerate(wire_spacings):
PitchDep.add(makeSlitArray2(wire_spacing + width, spacing, width,
length, 0, arrayHeight, arrayWidth,
arraySpacing, l_smBeam),
origin=(i * 30, j * 20))
TopCell = Cell('GrowthTheoryTopCell')
TopCell.add(PitchDep, origin=(0., 0.))
# # TODO: Add the branched growth shapes
return TopCell
def add_chip_labels(self):
wafer_lbl = PATTERN + "\n" + WAFER_ID
text = Label(wafer_lbl, 40., layer=l_lgBeam)
text.translate(tuple(np.array(-text.bounding_box.mean(0)))) # Center justify label
chip_lbl_cell = Cell('chip_label')
chip_lbl_cell.add(text)
center_x, center_y = (5000, 5000)
for block in self.blocks:
block.add(chip_lbl_cell, origin=(center_x, center_y - 300))
block.add(chip_lbl_cell, origin=(center_x, center_y - 4500))
block.add(chip_lbl_cell, origin=(center_x + 4500, center_y), rotation= 90)
block.add(chip_lbl_cell, origin=(center_x, center_y + 4500), rotation= 180)
block.add(chip_lbl_cell, origin=(center_x - 4500, center_y), rotation= 270)
def add_subdicing_marks(self, length, width, layers):
if type(layers) is not list:
layers = [layers]
for l in layers:
mark_cell = Cell("SubdicingMark")
line = Path([[0, 0], [0, length]], width=width, layer=l)
mark_cell.add(line)
for block in self.blocks:
block.add(mark_cell, origin=(self.block_size[0] / 2., 0), rotation=0)
block.add(mark_cell, origin=(0, self.block_size[1] / 2.), rotation=-90)
block.add(mark_cell, origin=(self.block_size[0], self.block_size[1] / 2.), rotation=90)
block.add(mark_cell, origin=(self.block_size[0] / 2., self.block_size[1]), rotation=180)
def make_many_shapes(self, array_size, shape_areas, pitch, shapes, skew, layer):
offset_x = array_size * 1.25
offset_y = array_size * 1.25
cur_y = 0
many_shape_cell = Cell('ManyShapes')
for area in shape_areas:
cur_x = 0
for shape in shapes:
write_top_labels = cur_y == 0
write_side_labels = cur_x == 0
s_array = self.make_shape_array(array_size, area, pitch, shape, layer, skew, toplabels=write_top_labels,
sidelabels=write_side_labels)
many_shape_cell.add(s_array, origin=(cur_x - array_size / 2., cur_y - array_size / 2.))
cur_x += offset_x
cur_y -= offset_y
self.add(many_shape_cell, origin=(-offset_x * (len(shapes) - 1) / 2., offset_y * (len(skews) - 1) / 2.))
def make_branch_device_array(self, spacing, _widths, array_height, array_width,
array_spacing, len_inner, len_outer, n_membranes, layers):
if not (type(layers) == list):
layers = [layers]
if not (type(_widths) == list):
_widths = [_widths]
for l in layers:
i = -1
j = 0
manydevices = Cell("ManyDevices")
for width in _widths:
device = self.make_branch_device(width, spacing, len_inner, len_outer, n_membranes, l)
[[x_min, y_min], [x_max, y_max]] = device.bounding_box
x_size = abs(x_max - x_min)
y_size = abs(y_max - y_min)
i += 1
if i % 3 == 0:
j += 1 # Move to array to next line
i = 0 # Restart at left
nx = int(array_width / (x_size + spacing))
ny = int(array_height / (y_size + spacing))
devices = CellArray(device, nx, ny, (x_size + spacing, y_size + spacing))
devices.translate((-(nx - 1) * (x_size + spacing) / 2., -(ny - 1) * (y_size + spacing) / 2.))
device_array = Cell("DeviceArray")
device_array.add(devices)
# Make the labels for each array of devices
text = Label('w/s/l\n%i/%.1f/%i' % (width * 1000, spacing, len_outer), 5)
lbl_vertical_offset = 1.40
if j % 2 == 0:
text.translate(
tuple(np.array(-text.bounding_box.mean(0)) + np.array((
0, -array_height / lbl_vertical_offset)))) # Center justify label
else:
text.translate(
tuple(np.array(-text.bounding_box.mean(0)) + np.array((
0, array_height / lbl_vertical_offset)))) # Center justify label
# TODO: Finish this below
device_array.add(text)
manydevices.add(device_array, origin=(
(array_width + array_spacing) * i, (array_height + 2. * array_spacing) * j - array_spacing / 2.))
self.add(manydevices,
origin=(-i * (array_width + array_spacing) / 2, -(j + 1.5) * (array_height + array_spacing) / 2))
def add_theory_cells(self):
theory_cells = Cell('TheoryCells')
theory_cells.add(make_theory_cell(wafer_orient='100'), origin=(-400, 0))
theory_cells.add(make_theory_cell_3br(), origin=(0, 0))
theory_cells.add(make_theory_cell_4br(), origin=(400, 0))
center_x, center_y = (self.block_size[0] / 2., self.block_size[1] / 2.)
for block in self.blocks:
block.add(theory_cells, origin=(center_x, center_y - 4000))
def make_many_shapes(array_size, shape_areas, pitch, shapes, layer):
offset_x = array_size * 1.25
offset_y = array_size * 1.25
cur_y = 0
many_shape_cell = Cell('ManyShapes')
for area in shape_areas:
cur_x = 0
for shape in shapes:
write_labels = cur_y == 0
s_array = make_shape_array(array_size,
area,
pitch,
shape,
layer,
labels=write_labels)
many_shape_cell.add(s_array, origin=(cur_x, cur_y))
cur_x += offset_x
cur_y -= offset_y
return many_shape_cell
def add_theory_cell(self):
theory_cells = Cell('TheoryCells')
theory_cells.add(make_theory_cell(), origin=(-400, 0))
theory_cells.add(make_theory_cell_3br(), origin=(0, 0))
theory_cells.add(make_theory_cell_4br(), origin=(400, 0))
# Add it in all the cells
for (i, pt) in enumerate(self.block_pts):
origin = (pt + np.array([0.5, 0.5])) * self.block_size
origin += np.array([0, -2000])
self.add(theory_cells, origin=origin)
def add_theory_cell(self):
theory_cell = make_theory_cell()
theory_cells = Cell('TheoryCells')
for x, y in self.upCenters:
theory_cells.add(theory_cell, origin=(x, y - 1500))
for x, y in self.downCenters:
if self.symmetric_chips:
theory_cells.add(theory_cell,
origin=(x, y + 1500),
rotation=180)
theory_cells.add(theory_cell, origin=(x, y + 1500))
self.add(theory_cells)
def make_tapered_cross(self, nw1, nw2, tw1, tw2, l1, l2, tl1, tl2, layer):
cross_cell = Cell(
'TaperedCross_NW{:.0f}_TW{:.0f}_L{:.0f}_TL{:.0f}xNW{:.0f}_TW{:.0f}_L{:.0f}_TL{:.0f}'
.format(nw1 * 1000, tw1 * 1000, l1, tl1, nw2 * 1000, tw2 * 1000,
l2, tl2))
l1 += tw2
l2 += tw1
tl1 += tw2
tl2 += tl1
cross_pts = [(tw2 / 2., tw1 / 2.), (tl1, nw1 / 2.),
(l1 / 2., nw1 / 2.), (l1 / 2., -nw1 / 2.),
(tl1, -nw1 / 2.), (tw2 / 2., -tw1 / 2.),
(nw2 / 2., -tl2 / 2.), (nw2 / 2., -l2 / 2.),
(-nw2 / 2., -l2 / 2.), (-nw2 / 2., -tl2 / 2.),
(-tw2 / 2., -tw1 / 2.)]
cross_pts.extend(tuple(map(tuple, (-np.array(cross_pts)).tolist())))
membrane = Boundary(cross_pts, layer=layer) # Create gdsCAD shape
cross_cell.add(membrane)
return cross_cell
def add_tem_nanowires(self):
size = 500
y_offset = 1000
shapes_big = make_shape_array(size,
0.02,
0.5,
'Tris_right',
l_smBeam,
labels=False)
shapes_small = make_shape_array(size,
0.005,
0.5,
'Tris_right',
l_smBeam,
labels=False)
tem_shapes = Cell('TEMShapes')
# tem_shapes.add(shapes_big, origin=(2200 - size / 2., y_offset - size / 2.))
tem_shapes.add(shapes_small, origin=(-size / 2., -size / 2.))
self.block_up.add(tem_shapes, origin=(-2200, y_offset))
self.block_down.add(tem_shapes, origin=(2200, -y_offset))
def makeAlignMarkers(self, t, w, position, layers, cross=False):
if not (type(layers) == list): layers = [layers]
self.aMarkers = Cell("AlignMarkers")
for l in layers:
if not (cross):
am1 = Rectangle((-w / 2., -w / 2.), (w / 2., w / 2.), layer=l)
elif cross:
h = w
crosspts = [(-t / 2., t / 2.), (-t / 2., h / 2.), (t / 2., h / 2.),
(t / 2., t / 2.), (w / 2., t / 2.), (w / 2., -t / 2.),
(t / 2., -t / 2.), (t / 2., -h / 2.),
(-t / 2., -h / 2.), (-t / 2., -t / 2.),
(-w / 2., -t / 2.), (-w / 2., t / 2.)]
am1 = Boundary(crosspts, layer=l) # Create gdsCAD shape
# am1 = Polygon(crosspts) #Create shapely polygon for later calculation
am1 = am1.translate(tuple(position)) # 850,850
am2 = am1.copy().scale((-1, 1)) # Reflect in x-axis
am3 = am1.copy().scale((1, -1)) # Reflect in y-axis
am4 = am1.copy().scale((-1, -1)) # Reflect in both x and y-axis
self.aMarkers.add([am1, am2, am3, am4])
self.add(self.aMarkers)
def make_many_shapes(self, array_size, shape_areas, pitches, shape, skew,
layer):
"""
:param array_size:
:param shape_areas:
:param pitches:
:param shape:
:param skew:
:param layer:
:return:
"""
if (type(shape) == list):
shape = shape[0]
offset_x = array_size * 1.25
offset_y = array_size * 1.25
cur_y = 0
many_shape_cell = Cell('ManyShapes')
for area in shape_areas:
cur_x = 0
for pitch in pitches:
write_top_labels = cur_y == 0
write_side_labels = cur_x == 0
s_array = self.make_shape_array(array_size,
area,
pitch,
shape,
layer,
skew,
toplabels=write_top_labels,
sidelabels=write_side_labels)
many_shape_cell.add(s_array,
origin=(cur_x - array_size / 2.,
cur_y - array_size / 2.))
cur_x += offset_x
cur_y -= offset_y
self.add(many_shape_cell,
origin=(-offset_x * (len(pitches) - 1) / 2.,
offset_y * (len(shape_areas) - 1) / 2.))
def add_theory_cell(self):
theory_cells = Cell('TheoryCells')
theory_cells.add(make_theory_cell(), origin=(-200, 0))
theory_cells.add(make_theory_cell_br(), origin=(200, 0))
self.block_up.add(theory_cells, origin=(0, 1300))
self.block_down.add(theory_cells, origin=(0, -1300))
def make_align_markers(self,
t,
w,
position,
layers,
cross=False,
auto_marks=False):
if not (type(layers) == list):
layers = [layers]
self.align_markers = Cell("AlignMarkers")
self.align_marker = Cell("AlignMarker")
for l in layers:
if not cross:
am0 = Rectangle((-w / 2., -w / 2.), (w / 2., w / 2.), layer=l)
self.align_marker.add(am0)
elif cross:
crosspts = [(0, 0), (w / 2., 0), (w / 2., t), (t, t),
(t, w / 2), (0, w / 2), (0, 0)]
crosspts.extend(
tuple(map(tuple, (-np.array(crosspts)).tolist())))
# crosspts = [(-t / 2., t / 2.), (-t / 2., h / 2.), (t / 2., h / 2.),
# (t / 2., t / 2.), (w / 2., t / 2.), (w / 2., -t / 2.),
# (t / 2., -t / 2.), (t / 2., -h / 2.),
# (-t / 2., -h / 2.), (-t / 2., -t / 2.),
# (-w / 2., -t / 2.), (-w / 2., t / 2.)]
am0 = Boundary(crosspts, layer=l) # Create gdsCAD shape
self.align_marker.add(am0)
# am1 = Polygon(crosspts) #Create shapely polygon for later calculation
if auto_marks: # automatic alignment marks for the e-beam tool
auto_mark_rect = Rectangle((-10., -10.), (10., 10.), layer=l)
auto_mark = Cell("AutoMark")
auto_mark.add(auto_mark_rect)
self.align_marker.add(auto_mark, origin=(100, 100))
self.align_marker.add(auto_mark, origin=(-100, 100))
self.align_marker.add(auto_mark, origin=(100, -100))
self.align_marker.add(auto_mark, origin=(-100, -100))
self.align_markers.add(self.align_marker,
origin=tuple(np.array(position) * [1, 1]))
self.align_markers.add(self.align_marker,
origin=tuple(np.array(position) * [-1, 1]))
self.align_markers.add(self.align_marker,
origin=tuple(np.array(position) * [1, -1]))
self.align_markers.add(self.align_marker,
origin=tuple(np.array(position) * [-1, -1]))
self.add(self.align_markers)
def add_block_labels(self, layers, quasi_unique_labels=False):
if type(layers) is not list:
layers = [layers]
txtSize = 800
if quasi_unique_labels:
unique_label_string = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
possible_labels = [
"".join(x)
for x in itertools.product(unique_label_string, repeat=2)
]
blockids_set = set()
while len(blockids_set) < len(self.blocks):
blockids_set.add(random_choice(possible_labels))
blockids = list(blockids_set)
for i, block in enumerate(self.blocks):
blocklabel = Cell('LBL_B_' + blockids[i])
for l in layers:
txt = Label(blockids[i], txtSize, layer=l)
bbox = txt.bounding_box
offset = (0, 0)
txt.translate(
-np.mean(bbox, 0)) # Center text around origin
txt.translate(offset) # Translate it to bottom of wafer
blocklabel.add(txt)
block.add(blocklabel,
origin=(self.block_size[0] / 2.,
self.block_size[1] / 2.))
else:
for (i, pt) in enumerate(self.block_pts):
origin = (pt + np.array([0.5, 0.5])) * self.block_size
blk_lbl = self.blockcols[pt[0]] + self.blockrows[pt[1]]
for l in layers:
txt = Label(blk_lbl, txtSize, layer=l_lgBeam)
bbox = txt.bounding_box
offset = np.array(pt)
txt.translate(
-np.mean(bbox, 0)) # Center text around origin
lbl_cell = Cell("lbl_" + blk_lbl)
lbl_cell.add(txt)
origin += np.array([0, 2000]) # Translate it up by 2mm
self.add(lbl_cell, origin=origin)
def processCheck_Slits(self, position, arrayWidth, slitWidth, pitch,
length, rotation, layers):
if not (type(layers) == list): layers = [layers]
Nx = int(arrayWidth / pitch)
Ny = 1
for l in layers:
# Define the slits
slit = Cell("Slits")
rect = Rectangle((-slitWidth / 2., -length / 2.),
(slitWidth / 2., length / 2.),
layer=l)
slit.add(rect)
slits = CellArray(slit, Nx, Ny, (pitch, 0))
slits.translate((-(Nx) * (pitch) / 2., 0.))
slits.translate(position)
slitarray = Cell("ProcessCheckingSlits")
slitarray.add(slits)
self.add(slitarray)
def add_theory_cell(self):
theory_cells = Cell('TheoryCells')
theory_cells.add(make_theory_cell(), origin=(-200, 0))
theory_cells.add(make_theory_cell_br(), origin=(200, 0))
for x, y in self.upCenters:
self.add(theory_cells, origin=(x, y + 1300))
for x, y in self.downCenters:
self.add(theory_cells, origin=(
x, y - 1300
)) # Don't rotate because of directionality of branched membranes
def add_theory_cells(self):
theory_cells = Cell('TheoryCells')
theory_cells.add(make_theory_cell(wafer_orient='100'), origin=(70, 0))
# theory_cells.add(make_theory_cell_3br(), origin=(0, 0))
# theory_cells.add(make_theory_cell_4br(), origin=(400, 0))
theory_cells.add(make_theory_cell(wafer_orient='100'), origin=(20, -400), rotation=45)
# theory_cells.add(make_theory_cell_3br(), origin=(-50, -400), rotation=45)
# theory_cells.add(make_theory_cell_4br(), origin=(370, -400), rotation=45)
center_x, center_y = (5000, 5000)
for block in self.blocks:
block.add(theory_cells, origin=(center_x, center_y - 1700))
def add_dashed_dicing_marks(self, layers):
if type(layers) is not list:
layers = [layers]
width = 10. / 2
dashlength = 2000
r = self.wafer_r
rng = np.floor(self.wafer_r / self.block_size).astype(int)
dmarks = Cell('DIC_MRKS')
for l in layers:
for x in np.arange(-rng[0], rng[0] + 1) * self.block_size[0]:
y = np.sqrt(r**2 - x**2)
vm = dashed_line([x, y], [x, -y], dashlength, width, layer=l)
dmarks.add(vm)
for y in np.arange(-rng[1], rng[1] + 1) * self.block_size[1]:
x = np.sqrt(r**2 - y**2)
hm = dashed_line([x, y], [-x, y], dashlength, width, layer=l)
dmarks.add(hm)
self.add(dmarks)
def add_cleave_xsection_nws(self):
pitches = [0.5, 1., 2., 4.]
widths = [10., 20., 40., 60., 100., 160., 240.]
n_membranes = 10
length = 50
spacing = 10
cleave_xsection_cell = Cell("CleaveCrossSection")
y_offset = 0
for pitch in pitches:
for width in widths:
nm_cell = Cell("P{:.0f}W{:.0f}".format(pitch, width))
slit = Path([(-length / 2., 0), (length / 2., 0)],
width=width / 1000.,
layer=l_smBeam)
nm_cell.add(slit)
nm_cell_array = Cell("P{:.0f}W{:.0f}_Array".format(
pitch, width))
tmp = CellArray(nm_cell, 1.0, n_membranes, [0, pitch])
nm_cell_array.add(tmp)
cleave_xsection_cell.add(nm_cell_array,
origin=(0, y_offset +
pitch * n_membranes))
y_offset += pitch * n_membranes + spacing
text = Label("P{:.1f}W{:.0f}".format(pitch, width),
1.0,
layer=l_smBeam)
text.translate(tuple(np.array(
-text.bounding_box.mean(0)))) # Center justify label
txt_cell = Cell("lbl_P{:.1f}W{:.0f}".format(pitch, width))
txt_cell.add(text)
cleave_xsection_cell.add(txt_cell,
origin=(length * 0.75,
y_offset - 8.0))
cleave_xsection_cell.add(txt_cell,
origin=(-length * 0.75,
y_offset - 8.0))
y_offset += spacing * 3
center_x, center_y = (5000, 5000)
for block in self.blocks:
block.add(cleave_xsection_cell,
origin=(center_x + 1150, center_y - 463))
block.add(cleave_xsection_cell,
origin=(center_x - 350, center_y + 350),
rotation=45.)
block.add(cleave_xsection_cell,
origin=(center_x + 463, center_y - 1150),
rotation=90.)
def make_slit_array(self, _pitches, spacing, _widths, _lengths, rot_angle,
array_height, array_width, array_spacing, layers):
if not (type(layers) == list):
layers = [layers]
if not (type(_pitches) == list):
_pitches = [_pitches]
if not (type(_lengths) == list):
_lengths = [_lengths]
if not (type(_widths) == list):
_widths = [_widths]
manyslits = i = j = None
for l in layers:
i = -1
j = -1
manyslits = Cell("SlitArray")
pitch = _pitches[0]
for length in _lengths:
j += 1
i = -1
for width in _widths:
# for pitch in pitches:
i += 1
if i % 3 == 0:
j += 1 # Move to array to next line
i = 0 # Restart at left
nx = int(array_width / (length + spacing))
ny = int(array_height / pitch)
# Define the slits
slit = Cell("Slits")
rect = Rectangle((-length / 2., -width / 2.),
(length / 2., width / 2.),
layer=l)
slit.add(rect)
slits = CellArray(slit, nx, ny, (length + spacing, pitch))
slits.translate((-(nx - 1) * (length + spacing) / 2.,
-(ny - 1) * pitch / 2.))
slit_array = Cell("SlitArray")
slit_array.add(slits)
text = Label('w/p/l\n%i/%i/%i' %
(width * 1000, pitch, length),
5,
layer=l)
lbl_vertical_offset = 1.35
if j % 2 == 0:
text.translate(
tuple(
np.array(-text.bounding_box.mean(0)) +
np.array((0,
-array_height / lbl_vertical_offset))
)) # Center justify label
else:
text.translate(
tuple(
np.array(-text.bounding_box.mean(0)) +
np.array((0, array_height / lbl_vertical_offset
)))) # Center justify label
slit_array.add(text)
manyslits.add(
slit_array,
origin=((array_width + array_spacing) * i,
(array_height + 2. * array_spacing) * j -
array_spacing / 2.))
# This is an ugly hack to center rotated slits, should fix this properly...
hacky_offset_x = 200 if rot_angle == 45 else 0 # TODO: fix this ugly thing
hacky_offset_y = -25 if rot_angle == 45 else 0
self.add(manyslits,
origin=(-i * (array_width + array_spacing) / 2 +
hacky_offset_x, -(j + 1.5) *
(array_height + array_spacing) / 2 + hacky_offset_y),
rotation=rot_angle)
def make_align_markers(self,
t,
w,
position,
layers,
joy_markers=False,
camps_markers=False):
if not (type(layers) == list):
layers = [layers]
top_mk_cell = Cell('AlignmentMark')
for l in layers:
if not joy_markers:
am0 = Rectangle((-w / 2., -w / 2.), (w / 2., w / 2.), layer=l)
rect_mk_cell = Cell("RectMarker")
rect_mk_cell.add(am0)
top_mk_cell.add(rect_mk_cell)
elif joy_markers:
crosspts = [(0, 0), (w / 2., 0), (w / 2., t), (t, t),
(t, w / 2), (0, w / 2), (0, 0)]
crosspts.extend(
tuple(map(tuple, (-np.array(crosspts)).tolist())))
am0 = Boundary(crosspts, layer=l) # Create gdsCAD shape
joy_mk_cell = Cell("JOYMarker")
joy_mk_cell.add(am0)
top_mk_cell.add(joy_mk_cell)
if camps_markers:
emw = 20. # 20 um e-beam marker width
camps_mk = Rectangle((-emw / 2., -emw / 2.),
(emw / 2., emw / 2.),
layer=l)
camps_mk_cell = Cell("CAMPSMarker")
camps_mk_cell.add(camps_mk)
top_mk_cell.add(camps_mk_cell, origin=[100., 100.])
top_mk_cell.add(camps_mk_cell, origin=[100., -100.])
top_mk_cell.add(camps_mk_cell, origin=[-100., 100.])
top_mk_cell.add(camps_mk_cell, origin=[-100., -100.])
self.align_markers = Cell("AlignMarkers")
self.align_markers.add(top_mk_cell,
origin=np.array(position) *
np.array([1, -1]))
self.align_markers.add(top_mk_cell,
origin=np.array(position) *
np.array([-1, -1]))
self.align_markers.add(top_mk_cell,
origin=np.array(position) *
np.array([1, 1]))
self.align_markers.add(top_mk_cell,
origin=np.array(position) *
np.array([-1, 1]))
self.add(self.align_markers)
class Frame(Cell):
"""
Make a frame for writing to with ebeam lithography
Params:
-name of the frame, just like when naming a cell
-size: the size of the frame as an array [xsize,ysize]
"""
def __init__(self, name, size, border_layers):
if not (type(border_layers) == list):
border_layers = [border_layers]
Cell.__init__(self, name)
self.size_x, self.size_y = size
# Create the border of the cell
for l in border_layers:
self.border = Box((-self.size_x / 2., -self.size_y / 2.),
(self.size_x / 2., self.size_y / 2.),
1,
layer=l)
self.add(self.border) # Add border to the frame
self.align_markers = None
def make_align_markers(self,
t,
w,
position,
layers,
joy_markers=False,
camps_markers=False):
if not (type(layers) == list):
layers = [layers]
top_mk_cell = Cell('AlignmentMark')
for l in layers:
if not joy_markers:
am0 = Rectangle((-w / 2., -w / 2.), (w / 2., w / 2.), layer=l)
rect_mk_cell = Cell("RectMarker")
rect_mk_cell.add(am0)
top_mk_cell.add(rect_mk_cell)
elif joy_markers:
crosspts = [(0, 0), (w / 2., 0), (w / 2., t), (t, t),
(t, w / 2), (0, w / 2), (0, 0)]
crosspts.extend(
tuple(map(tuple, (-np.array(crosspts)).tolist())))
am0 = Boundary(crosspts, layer=l) # Create gdsCAD shape
joy_mk_cell = Cell("JOYMarker")
joy_mk_cell.add(am0)
top_mk_cell.add(joy_mk_cell)
if camps_markers:
emw = 20. # 20 um e-beam marker width
camps_mk = Rectangle((-emw / 2., -emw / 2.),
(emw / 2., emw / 2.),
layer=l)
camps_mk_cell = Cell("CAMPSMarker")
camps_mk_cell.add(camps_mk)
top_mk_cell.add(camps_mk_cell, origin=[100., 100.])
top_mk_cell.add(camps_mk_cell, origin=[100., -100.])
top_mk_cell.add(camps_mk_cell, origin=[-100., 100.])
top_mk_cell.add(camps_mk_cell, origin=[-100., -100.])
self.align_markers = Cell("AlignMarkers")
self.align_markers.add(top_mk_cell,
origin=np.array(position) *
np.array([1, -1]))
self.align_markers.add(top_mk_cell,
origin=np.array(position) *
np.array([-1, -1]))
self.align_markers.add(top_mk_cell,
origin=np.array(position) *
np.array([1, 1]))
self.align_markers.add(top_mk_cell,
origin=np.array(position) *
np.array([-1, 1]))
self.add(self.align_markers)
def make_slit_array(self, _pitches, spacing, _widths, _lengths, rot_angle,
array_height, array_width, array_spacing, layers):
if not (type(layers) == list):
layers = [layers]
if not (type(_pitches) == list):
_pitches = [_pitches]
if not (type(_lengths) == list):
_lengths = [_lengths]
if not (type(_widths) == list):
_widths = [_widths]
manyslits = i = j = None
for l in layers:
i = -1
j = -1
manyslits = Cell("SlitArray")
pitch = _pitches[0]
for length in _lengths:
j += 1
i = -1
for width in _widths:
# for pitch in pitches:
i += 1
if i % 3 == 0:
j += 1 # Move to array to next line
i = 0 # Restart at left
nx = int(array_width / (length + spacing))
ny = int(array_height / pitch)
# Define the slits
slit = Cell("Slits")
rect = Rectangle((-length / 2., -width / 2.),
(length / 2., width / 2.),
layer=l)
slit.add(rect)
slits = CellArray(slit, nx, ny, (length + spacing, pitch))
slits.translate((-(nx - 1) * (length + spacing) / 2.,
-(ny - 1) * pitch / 2.))
slit_array = Cell("SlitArray")
slit_array.add(slits)
text = Label('w/p/l\n%i/%i/%i' %
(width * 1000, pitch, length),
5,
layer=l)
lbl_vertical_offset = 1.35
if j % 2 == 0:
text.translate(
tuple(
np.array(-text.bounding_box.mean(0)) +
np.array((0,
-array_height / lbl_vertical_offset))
)) # Center justify label
else:
text.translate(
tuple(
np.array(-text.bounding_box.mean(0)) +
np.array((0, array_height / lbl_vertical_offset
)))) # Center justify label
slit_array.add(text)
manyslits.add(
slit_array,
origin=((array_width + array_spacing) * i,
(array_height + 2. * array_spacing) * j -
array_spacing / 2.))
# This is an ugly hack to center rotated slits, should fix this properly...
hacky_offset_x = 200 if rot_angle == 45 else 0 # TODO: fix this ugly thing
hacky_offset_y = -25 if rot_angle == 45 else 0
self.add(manyslits,
origin=(-i * (array_width + array_spacing) / 2 +
hacky_offset_x, -(j + 1.5) *
(array_height + array_spacing) / 2 + hacky_offset_y),
rotation=rot_angle)
def add_tem_membranes(self, widths, length, pitch, layer):
tem_membranes = Cell('TEM_Membranes')
n = 4
curr_y = 0
for width in widths:
membrane = Path([(-length / 2., 0), (length / 2., 0)],
width=width,
layer=layer)
membrane_cell = Cell('Membrane_w{:.0f}'.format(width * 1000))
membrane_cell.add(membrane)
membrane_array = CellArray(membrane_cell, 1, n, (0, pitch))
membrane_array_cell = Cell('MembraneArray_w{:.0f}'.format(width *
1000))
membrane_array_cell.add(membrane_array)
tem_membranes.add(membrane_array_cell, origin=(0, curr_y))
curr_y += n * pitch
n2 = 3
tem_membranes2 = Cell('Many_TEM_Membranes')
tem_membranes2.add(
CellArray(tem_membranes, 1, n2, (0, n * len(widths) * pitch)))
center_x, center_y = (5000, 5000)
for block in self.blocks:
block.add(tem_membranes2, origin=(center_x, center_y + 2000))
block.add(tem_membranes2,
origin=(center_x, center_y + 1500),
rotation=45)
def add_prealignment_markers(self, layers, mrkr_size=7):
if mrkr_size % 2 == 0: # Number is even, but we need odd numbers
mrkr_size += 1
if type(layers) is not list:
layers = [layers]
for l in layers:
rect_size = 10. # 10 um large PAMM rectangles
marker_rect = Rectangle([-rect_size / 2., -rect_size / 2.],
[rect_size / 2., rect_size / 2.],
layer=l)
marker = Cell('10umMarker')
marker.add(marker_rect)
# Make one arm of the PAMM array
marker_arm = Cell('PAMM_Arm')
# Define the positions of the markers, they increase in spacing by 1 um each time:
mrkr_positions = [
75 * n + (n - 1) * n // 2
for n in range(1, (mrkr_size - 1) // 2 + 1)
]
for pos in mrkr_positions:
marker_arm.add(marker, origin=[pos, 0])
# Build the final PAMM Marker
pamm_cell = Cell('PAMM_Marker')
pamm_cell.add(marker) # Center marker
pamm_cell.add(marker_arm) # Right arm
pamm_cell.add(marker_arm, rotation=180) # Left arm
pamm_cell.add(marker_arm, rotation=90) # Top arm
pamm_cell.add(marker_arm, rotation=-90) # Bottom arm
for pos in mrkr_positions:
pamm_cell.add(marker_arm, origin=[pos, 0],
rotation=90) # Top arms
pamm_cell.add(marker_arm, origin=[-pos, 0], rotation=90)
pamm_cell.add(marker_arm, origin=[pos, 0],
rotation=-90) # Bottom arms
pamm_cell.add(marker_arm, origin=[-pos, 0], rotation=-90)
# Make the 4 tick marks that mark the center of the array
h = 30.
w = 100.
tick_mrk = Rectangle([-w / 2., -h / 2.], [w / 2, h / 2.], layer=l)
tick_mrk_cell = Cell("TickMark")
tick_mrk_cell.add(tick_mrk)
pos = mrkr_positions[-1] + 75 + w / 2.
pamm_cell.add(tick_mrk_cell, origin=[pos, 0])
pamm_cell.add(tick_mrk_cell, origin=[-pos, 0])
pamm_cell.add(tick_mrk_cell, origin=[0, pos], rotation=90)
pamm_cell.add(tick_mrk_cell, origin=[0, -pos], rotation=90)
center_x, center_y = (5000, 5000)
for block in self.blocks:
block.add(pamm_cell, origin=(center_x + 2000, center_y))
block.add(pamm_cell, origin=(center_x - 2000, center_y))
centerLeftAlignField.make_align_markers(2.,
20., (180., 180.),
l_lgBeam,
joy_markers=True)
centerLeftAlignField.add(quantum_playground)
centerRightAlignField = Frame("CenterRightAlignField",
(smFrameSize, smFrameSize), [])
centerRightAlignField.make_align_markers(2.,
20., (180., 180.),
l_lgBeam,
joy_markers=True)
centerRightAlignField.add(quantum_playground, rotation=45)
# Add everything together to a top cell
topCell = Cell("TopCell")
topCell.add(lgField)
smFrameSpacing = 400 # Spacing between the three small frames
dx = smFrameSpacing + smFrameSize
dy = smFrameSpacing + smFrameSize
topCell.add(smField1, origin=(-dx / 2., dy / 2.))
topCell.add(smField2, origin=(dx / 2., dy / 2.))
topCell.add(smField3, origin=(-dx / 2., -dy / 2.))
topCell.add(smField4, origin=(dx / 2., -dy / 2.))
topCell.add(centerLeftAlignField, origin=(-dx / 2, 0.))
topCell.add(centerRightAlignField, origin=(dx / 2, 0.))
topCell.add(centerAlignField, origin=(0., 0.))
topCell.spacing = np.array([4000., 4000.])
# %%Create the layout and output GDS file
layout = Layout('LIBRARY')
def add_block_labels(self,
layers,
unique_ids=False,
save_ids=True,
load_ids=True):
if type(layers) is not list:
layers = [layers]
txtSize = 1000
blockids = []
if not unique_ids:
for (i, pt) in enumerate(self.block_pts):
blockids.append(self.blockcols[pt[0]] + self.blockrows[pt[1]])
else:
existing_ids = {}
existing_id_set = set()
# Load the previously-used IDs from a JSON file
if load_ids:
master_db = '../../../ChipIDs_DB.json'
if os.path.isfile(master_db):
with open(master_db, 'r') as f:
try:
existing_ids = json.load(f)
existing_id_set = set([
item for sublist in list(existing_ids.values())
for item in sublist
])
# Check if wafer is in the loaded database
if load_ids and WAFER_ID in existing_ids:
blockids = existing_ids[WAFER_ID]
# If there is a reading error then proceed with a warning
except json.decoder.JSONDecodeError:
print(
"Json Error: Couldn't load chip IDs from database!"
)
existing_id_set = set()
# If the IDs haven't already been set by loading them from the database
if not blockids:
# Generate some new IDs, but only use the ones that haven't previously been used
unique_label_string = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
possible_label_set = set([
"".join(x)
for x in itertools.product(unique_label_string, repeat=2)
])
possible_label_set = possible_label_set - existing_id_set # Remove chip lbls from the set of possible lbls
blockids_set = set()
while len(blockids_set) < len(self.blocks):
blockids_set.add(random_choice(list(possible_label_set)))
blockids = list(blockids_set)
# Save the labels to a file
if save_ids:
existing_ids.update({WAFER_ID: blockids})
json_string = json.dumps(existing_ids)
json_string = json_string.replace(
"], ", "],\n") # Make the file a bit easier to read in notepad
with open(master_db, 'w') as f:
f.write(json_string)
# Write the labels to the cells
for i, block in enumerate(self.blocks):
blocklabel = Cell('LBL_B_' + blockids[i])
for l in layers:
txt = Label(blockids[i], txtSize, layer=l)
bbox = txt.bounding_box
offset = (0, 0)
txt.translate(-np.mean(bbox, 0)) # Center text around origin
txt.translate(offset) # Translate it to bottom of wafer
blocklabel.add(txt)
block.add(blocklabel,
origin=(self.block_size[0] / 2.,
self.block_size[1] / 2. - 400))
def make_slit_array(self, _pitches, spacing, _widths, _lengths, rot_angle,
array_height, array_width, array_spacing, layers):
if not (type(layers) == list):
layers = [layers]
if not (type(_pitches) == list):
_pitches = [_pitches]
if not (type(_lengths) == list):
_lengths = [_lengths]
if not (type(_widths) == list):
_widths = [_widths]
manyslits = i = j = None
for l in layers:
i = -1
j = -1
manyslits = Cell("SlitArray")
pitch = _pitches[0]
for length in _lengths:
j += 1
i = -1
for width in _widths:
# for pitch in pitches:
i += 1
if i % 3 == 0:
j += 1 # Move to array to next line
i = 0 # Restart at left
pitch_v = pitch / np.cos(np.deg2rad(rot_angle))
# widthV = width / np.cos(np.deg2rad(rotAngle))
nx = int(array_width / (length + spacing))
ny = int(array_height / pitch_v)
# Define the slits
slit = Cell("Slits")
rect = Rectangle((-length / 2., -width / 2.), (length / 2., width / 2.), layer=l)
rect = rect.copy().rotate(rot_angle)
slit.add(rect)
slits = CellArray(slit, nx, ny, (length + spacing, pitch_v))
slits.translate((-(nx - 1) * (length + spacing) / 2., -(ny - 1) * pitch_v / 2.))
slit_array = Cell("SlitArray")
slit_array.add(slits)
text = Label('w/p/l\n%i/%i/%i' % (width * 1000, pitch, length), 5, layer=l)
lbl_vertical_offset = 1.35
if j % 2 == 0:
text.translate(
tuple(np.array(-text.bounding_box.mean(0)) + np.array((
0, -array_height / lbl_vertical_offset)))) # Center justify label
else:
text.translate(
tuple(np.array(-text.bounding_box.mean(0)) + np.array((
0, array_height / lbl_vertical_offset)))) # Center justify label
slit_array.add(text)
manyslits.add(slit_array,
origin=((array_width + array_spacing) * i, (
array_height + 2. * array_spacing) * j - array_spacing / 2.))
self.add(manyslits,
origin=(-i * (array_width + array_spacing) / 2, -(j + 1.5) * (
array_height + array_spacing) / 2))
