def processCheck_CleavingMark(self, yPosition, layers):
if not (type(layers) == list): layers = [layers]
for l in layers:
pt1 = (100, yPosition)
pt2 = (2000, yPosition)
pt3 = (-1100, yPosition)
pt4 = (-2800, yPosition)
line1 = Path([pt1, pt2], width=10, layer=l)
line2 = Path([pt3, pt4], width=10, layer=l)
cMarkCell = Cell('Cleaving Mark')
cMarkCell.add(line1)
cMarkCell.add(line2)
self.add(cMarkCell)
def add_tem_membranes(self, widths, length, pitch, layer):
tem_membranes = Cell('TEM_Membranes')
n = 3
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 = 5
tem_membranes2 = Cell('Many_TEM_Membranes')
tem_membranes2.add(
CellArray(tem_membranes, 1, n2, (0, n * len(widths) * pitch)))
self.block_up.add(tem_membranes2, origin=(0, -2000))
# self.block_up.add(tem_membranes2, origin=(0, -1400), rotation=90)
self.block_down.add(tem_membranes2, origin=(0, 2000))
def make_rotating_slits(length, width, N, radius, layers, angleRef=False):
cell = Cell('RotatingSlits')
if not (type(layers) == list): layers = [layers]
allslits = Cell('All Slits')
angles = np.linspace(0, 360, N)
# radius = length*12.
translation = (radius, 0)
pt1 = np.array((-length / 2., -width / 2.)) + translation
pt2 = np.array((length / 2., width / 2.)) + translation
slit = Cell("Slit")
for l in layers:
rect = Rectangle(pt1, pt2, layer=l)
slit.add(rect)
for angle in angles:
allslits.add(slit.copy(), rotation=angle)
cell.add(allslits)
if angleRef:
labelCell = Cell('AngleLabels')
lineCell = Cell('Line')
pt1 = (-radius * 0.9, 0)
pt2 = (radius * 0.9, 0)
line = Path([pt1, pt2], width=width, layer=l)
dLine = dashed_line(pt1, pt2, 2, width, l)
lineCell.add(line)
labelCell.add(lineCell, rotation=0)
labelCell.add(lineCell, rotation=60)
labelCell.add(lineCell, rotation=-60)
labelCell.add(dLine, rotation=30)
labelCell.add(dLine, rotation=90)
labelCell.add(dLine, rotation=-30)
cell.add(labelCell)
return cell
def add_sub_dicing_ticks(self, length, thickness, layers):
if not (type(layers) == list): layers = [layers]
l = layers[0]
_h = self.upTris[0].bounds[3] - self.upTris[0].bounds[1]
_w = self.upTris[0].bounds[2] - self.upTris[0].bounds[0]
y_bottom = self.upTris[0].bounds[1]
y_centroid = self.upTris[0].centroid.y
offset = y_centroid - y_bottom
mark = Path([(0, 0), (0, -length)], width=thickness, layer=l)
mark_cell = Cell('SubDicingTick')
mark_cell.add(mark)
tri_sub_dMarks = Cell('TriSubDMarks')
tri_sub_dMarks.add(mark_cell, rotation=30, origin=(0, offset))
tri_sub_dMarks.add(mark_cell, rotation=-30, origin=(0, offset))
tri_sub_dMarks.add(mark_cell,
rotation=30,
origin=(_w / 4., offset - _h / 2.))
tri_sub_dMarks.add(mark_cell,
rotation=90,
origin=(_w / 4., offset - _h / 2.))
tri_sub_dMarks.add(mark_cell,
rotation=-30,
origin=(-_w / 4., offset - _h / 2.))
tri_sub_dMarks.add(mark_cell,
rotation=-90,
origin=(-_w / 4., offset - _h / 2.))
# Horizontal marks
# This is a mess... should fix it later. Past Martin says sorry...
tri_sub_dMarks.add(mark_cell,
rotation=-90,
origin=(_w * 3. / 8. - 300.,
offset - _h / 4. - _h / 20.))
tri_sub_dMarks.add(mark_cell,
rotation=90,
origin=(-_w * 3. / 8. + 300.,
offset - _h / 4. - _h / 20.))
tri_sub_dMarks.add(mark_cell,
rotation=-90,
origin=(_w * 1. / 8. + 300.,
offset - _h * 3. / 4. + _h / 20.))
tri_sub_dMarks.add(mark_cell,
rotation=90,
origin=(-_w * 1. / 8. - 300.,
offset - _h * 3. / 4. + _h / 20.))
for tri in self.downTris:
tri_center = np.array(tri.centroid)
self.add(tri_sub_dMarks, origin=tri_center)
for tri in self.upTris:
tri_center = np.array(tri.centroid)
self.add(tri_sub_dMarks, origin=tri_center, rotation=180)
def dashed_line(pt1, pt2, dashlength, width, layer):
line = LineString((pt1, pt2))
dash_pts = np.arange(0, line.length, dashlength).tolist()
if len(dash_pts) % 2 == 1: # Odd number
dash_pts.append(line.length) # Add last point on line
dash_pts = list(
map(line.interpolate,
dash_pts)) # Interpolate points along this line to make dashes
dash_pts = [pt.xy for pt in dash_pts]
dash_pts = np.reshape(dash_pts, (-1, 2, 2))
lines = [
Path(list(linepts), width=width, layer=layer) for linepts in dash_pts
]
dline = Cell('DASHLINE')
dline.add(lines)
return dline
def make_rotating_branches(length,
width,
N,
radius,
layers,
angle_sweep=360,
angle_ref=False,
angle_offset=0):
cell = Cell('RotatingBranches')
if not (type(layers) == list):
layers = [layers]
allslits = Cell('All Slits')
angles = np.linspace(0, angle_sweep, N)
translation = (radius, 0)
pt1 = np.array((-length / 2., -width / 2.)) + translation
pt2 = np.array((length / 2., width / 2.)) + translation
branch = make_branch(length, width, layers)
for element in branch.elements:
element.origin = [radius, 0]
for angle in angles:
allslits.add(branch.copy(), rotation=angle_offset + angle)
cell.add(allslits)
for l in layers:
if angle_ref:
labelCell = Cell('AngleLabels')
lineCell = Cell('Line')
pt1 = (0, 0)
pt2 = (radius * 0.9, 0)
line = Path([pt1, pt2], width=width, layer=l)
dLine = dashed_line(pt1, pt2, 2, width, l)
lineCell.add(line)
rot_angle = 0
while True:
if abs(rot_angle) > abs(angle_sweep):
break
if abs(rot_angle) % 60 == 0:
labelCell.add(lineCell, rotation=rot_angle)
if (abs(rot_angle) - 30) % 60 == 0:
labelCell.add(dLine, rotation=rot_angle)
rot_angle += np.sign(angle_sweep) * 15
cell.add(labelCell)
return cell
def make_rotating_slits(length,
width,
N,
radius,
layers,
angle_sweep=360,
angle_ref=False):
cell = Cell('RotatingSlits')
if not (type(layers) == list): layers = [layers]
allslits = Cell('All Slits')
angles = np.linspace(0, angle_sweep, N)
# radius = length*12.
translation = (radius, 0)
pt1 = np.array((-length / 2., -width / 2.)) + translation
pt2 = np.array((length / 2., width / 2.)) + translation
slit = Cell("Slit")
for l in layers:
rect = Rectangle(pt1, pt2, layer=l)
slit.add(rect)
for angle in angles:
allslits.add(slit.copy(), rotation=angle)
cell.add(allslits)
for l in layers:
if angle_ref:
label_cell = Cell('AngleLabels')
line_cell = Cell('Line')
pt1 = (0, 0)
pt2 = (radius * 0.9, 0)
line = Path([pt1, pt2], width=width, layer=l)
d_line = dashed_line(pt1, pt2, 2, width, l)
line_cell.add(line)
rot_angle = 0
while True:
if abs(rot_angle) > abs(angle_sweep):
break
if abs(rot_angle) % 60 == 0:
label_cell.add(line_cell, rotation=rot_angle)
if (abs(rot_angle) - 30) % 60 == 0:
label_cell.add(d_line, rotation=rot_angle)
rot_angle += np.sign(angle_sweep) * 15
cell.add(label_cell)
return cell
def add_dicing_marks(self, layers, mkWidth=100):
"""
Create dicing marks
"""
if not (type(layers) == list): layers = [layers]
# Define the array and wafer parameters
gap = self.block_gap
wafer_r = self.wafer_r
sl_tri = self.trisize
sl_lattice = sl_tri + gap / np.tan(np.deg2rad(30))
h_lattice = np.sqrt(3.) / 2. * sl_lattice
# Create the lattice of the "up" facing triangles
points = self.createPtLattice(2. * wafer_r, sl_lattice / 2., h_lattice)
points = [np.array(elem) for elem in points]
points = points + np.array([
-sl_lattice / 2., 0
]) # Shift lattice so we can cleave the wafer at y=0
points = points + np.array(
self.blockOffset) # Shift by point from MC search (if applicable)
points = [
point for point in points
if (Point(point).distance(Point(0, 0)) < wafer_r)
]
import pylab as plt
# Plot points
x, y = list(zip(*points))
plt.plot(x, y, 'ko')
# Create a lineshape of the boundary of the circle
c = self.waferShape.boundary
# Create a set (unordered with unique entries)
dicinglines = set()
# For each point in the lattice, create three lines (one along each direction)
for x, y in points:
l0 = LineString([(-4. * wafer_r, y), (4. * wafer_r, y)])
l1 = rotateshape(l0, 60, origin=(x, y))
l2 = rotateshape(l0, -60, origin=(x, y))
# See where these lines intersect the wafer outline
i0 = c.intersection(l0)
i1 = c.intersection(l1)
i2 = c.intersection(l2)
p0s = tuple(
map(tuple,
np.round((i0.geoms[0].coords[0], i0.geoms[1].coords[0]))))
p1s = tuple(
map(tuple,
np.round((i1.geoms[0].coords[0], i1.geoms[1].coords[0]))))
p2s = tuple(
map(tuple,
np.round((i2.geoms[0].coords[0], i2.geoms[1].coords[0]))))
# Add these points to a unique unordered set
dicinglines.add(p0s)
dicinglines.add(p1s)
dicinglines.add(p2s)
# At the end of the loop, the set will contain a list of point pairs which can be uesd to make the dicing marks
dmarks = Cell('DIC_MRKS')
for l in layers:
for p1, p2 in dicinglines:
dicingline = Path([p1, p2], width=mkWidth, layer=l)
dmarks.add(dicingline)
self.add(dmarks)
return points
