def init_primitives(self):
origin = DPoint(0, 0)
pars = self.params
up_pad_center = origin + DVector(0, pars.pads_distance / 2)
down_pad_center = origin + DVector(0, -pars.pads_distance / 2)
self.pad_down = Circle(down_pad_center,
pars.pad_r,
n_pts=pars.n,
offset_angle=pi / 2)
self.primitives["pad_down"] = self.pad_down
self.p_ext_down = Kolbaska(down_pad_center,
origin + DPoint(0, -pars.sq_len / 2),
pars.p_ext_width, pars.p_ext_r)
self.primitives["p_ext_down"] = self.p_ext_down
self.pad_up = Circle(up_pad_center,
pars.pad_r,
n_pts=pars.n,
offset_angle=-pi / 2)
self.primitives["pad_up"] = self.pad_up
self.p_ext_up = Kolbaska(up_pad_center,
origin + DVector(0, pars.sq_len / 2),
pars.p_ext_width, pars.p_ext_r)
self.primitives["p_ext_up"] = self.p_ext_up
origin = DPoint(0, 0)
if self.side == 0:
self.init_half(origin, side=1) # right
self.init_half(origin, side=-1) # left
else:
self.init_half(origin, side=self.side)
def draw(self):
origin = DPoint(0, 0)
circ = Circle(origin, 200e3, n_pts=400, inverse=False)
circ.place(self.region_ph)
self.region_ph = split_polygons(self.region_ph.dup(),
max_pts=100,
print_tree=True)
print("it's ok")
def draw_el_dc_contacts(self):
for squid in self.squids:
r_pad = squid.params.pad_r
center_up = squid.pad_up.center + DPoint(0, r_pad)
center_down = squid.pad_down.center + DPoint(0, -r_pad)
self.el_dc_contacts.append(
[Circle(center_up, 2 * r_pad),
Circle(center_down, 2 * r_pad)])
for contact in self.el_dc_contacts[-1]:
contact.place(self.region_el2)
def init_primitives(self):
center = DPoint(0, 0)
self.empty_circle = Circle(center, self.ring1_outer_r + self.ring1_thickness, inverse=True)
self.primitives["empty_circle"] = self.empty_circle
# outer ring
self.ring1 = Ring(center, self.ring1_outer_r, self.ring1_thickness)
self.primitives["ring1"] = self.ring1
# inner ring
self.ring2 = Ring(center, self.ring2_outer_r, self.ring2_thickness)
self.primitives["ring2"] = self.ring2
## four aim lines ##
center_shift = self.aim_lines_width/3
line_length = self.ring1_outer_r - self.ring1_thickness/2 - center_shift
# left horizontal line
p1 = center + DPoint(-center_shift, 0)
p2 = p1 + DPoint(-line_length, 0)
self.left_aim_line = CPW(self.aim_lines_width, 0, p1, p2)
self.primitives["left_aim_line"] = self.left_aim_line
# bottom vertical line
p1 = center + DPoint(0, -center_shift)
p2 = p1 + DPoint(0, -line_length)
self.bottom_aim_line = CPW(self.aim_lines_width, 0, p1, p2)
self.primitives["bottom_aim_line"] = self.bottom_aim_line
# right horizontal line
p1 = center + DPoint(center_shift, 0)
p2 = p1 + DPoint(line_length, 0)
self.right_aim_line = CPW(self.aim_lines_width, 0, p1, p2)
self.primitives["right_aim_line"] = self.right_aim_line
# top vertical line
p1 = center + DPoint(0, center_shift)
p2 = p1 + DPoint(0, line_length)
self.top_aim_line = CPW(self.aim_lines_width, 0, p1, p2)
self.primitives["top_aim_line"] = self.top_aim_line
# center romb for better aiming
self.center_romb = Rectangle(
center,
self.aim_lines_width, self.aim_lines_width,
trans_in=DCplxTrans(1, 45, False, -self.aim_lines_width/2, -self.aim_lines_width/2),
inverse=True
)
self.primitives["center_romb"] = self.center_romb
self.connections = [center]
def draw_el_dc_contacts(self, squids: AsymSquid = None): # if argument is omitted, use all squids stored in `self.squids` if squids is None: squids = self.squids + self.test_squids for squid in squids: r_pad = squid.params.pad_r center_up = squid.pad_up.center + DPoint(0, r_pad) center_down = squid.pad_down.center + DPoint(0, -r_pad) big_circle_r = 1.5 * r_pad self.el_dc_contacts.append( [Circle(center_up, big_circle_r), Circle(center_down, big_circle_r)] ) for contact in self.el_dc_contacts[-1]: contact.place(self.region_el2) # DC contacts has to have intersection with empty layer in photo litography # to ensure that first e-beam layer does not broke at the step between # substrate and photolytography polygons. # Following rectangle pads are cutted from photo region to ensure # DC contacts are covering aforementioned level step. squid_pad_r = squid.params.pad_r squid_pads_d = squid.params.pads_distance - 2 * squid_pad_r rec_width = 1.6 * squid_pad_r - 2 * FABRICATION.OVERETCHING rec_height = 1.6 * squid_pad_r - FABRICATION.OVERETCHING # Rectangle for top DC contact pad p1 = squid.origin + DVector(-rec_width / 2, squid_pads_d / 2) + \ DVector(0, -FABRICATION.OVERETCHING) rec_top = Rectangle(p1, rec_width, rec_height, inverse=True) rec_top.place(self.region_ph) # Rectangle for bottom DC contact pad p2 = squid.origin + DVector(-rec_width / 2, -squid_pads_d / 2) + \ DVector(0, FABRICATION.OVERETCHING) rec_bot = Rectangle(p2, rec_width, -rec_height, inverse=True) rec_bot.place(self.region_ph)
def init_primitives(self):
origin = DPoint(0, 0)
self.primitives["empty_ring1"] = Ring(origin, self.ring1_outer_r, self.ring1_thickness, inverse=True)
self.primitives["empty_ring2"] = Ring(origin, self.ring2_outer_r, self.ring2_thickness, inverse=True)
self.primitives["inner_circle"] = Circle(origin, self.inner_circle_radius, inverse=True)
self.primitives["trap_top"] = IsoTrapezoid(
origin + DPoint(-self.trap_b / 2, self.trap_dist),
self.trap_h, self.trap_b, self.trap_t
)
self.primitives["trap_left"] = IsoTrapezoid(
origin + DPoint(-self.trap_dist, -self.trap_b / 2),
self.trap_h, self.trap_b, self.trap_t, trans_in=Trans.R90
)
self.primitives["trap_bottom"] = IsoTrapezoid(
origin + DPoint(self.trap_b / 2, -self.trap_dist),
self.trap_h, self.trap_b, self.trap_t, trans_in=Trans.R180
)
self.primitives["trap_right"] = IsoTrapezoid(
origin + DPoint(self.trap_dist, self.trap_b / 2),
self.trap_h, self.trap_b, self.trap_t, trans_in=Trans.R270
)
self.primitives["cross"] = Cross2(origin, self.cross_thickness, self.cross_size)
def draw(self):
origin = DPoint(0, 0)
circ = Circle(origin, 200e3, n_pts=2000, inverse=False)
circ.place(self.region_ph)
def init_ph_el_conn_pads(self, leg_side=0):
''' draw top contact pad '''
origin = DPoint(0, 0)
pars = self.params
top_pad_center = origin + DVector(0, pars.pads_distance / 2)
self.pad_top = Circle(top_pad_center,
pars.pad_r,
n_pts=pars.n,
offset_angle=np.pi / 2)
self.primitives["pad_top"] = self.pad_top
self.top_ph_el_conn_pad = DPathCL(
pts=[top_pad_center, origin + DPoint(0, pars.sq_dy / 2)],
width=pars.contact_pad_width)
self.primitives["top_ph_el_conn_pad"] = self.top_ph_el_conn_pad
''' draw bottom DC flux line '''
if leg_side == 1 or leg_side == 0:
# print(self.bot_inter_lead_dx)
self.bot_dc_flux_line_right = CPWRLPath(
origin=origin + DPoint(
pars.flux_line_dx / 2,
-(pars.sq_dy / 4 + pars.flux_line_dy) -
pars.flux_line_outer_width / 2),
shape="LRL",
cpw_parameters=[
CPWParameters(width=pars.flux_line_contact_width, gap=0),
CPWParameters(smoothing=True),
CPWParameters(width=pars.flux_line_outer_width, gap=0)
],
turn_radiuses=max(pars.flux_line_outer_width,
pars.flux_line_contact_width),
segment_lengths=[
pars.flux_line_dy + pars.flux_line_outer_width,
pars.flux_line_dx / 2 - self.bot_inter_lead_dx
],
turn_angles=[np.pi / 2],
trans_in=Trans.R90)
self.primitives["bot_dc_flux_line_right"] = \
self.bot_dc_flux_line_right
if leg_side == 0 or leg_side == -1:
self.bot_dc_flux_line_left = CPWRLPath(
origin=origin + DPoint(
-pars.flux_line_dx / 2,
-(pars.sq_dy / 4 + pars.flux_line_dy) -
pars.flux_line_outer_width / 2),
shape="LRL",
cpw_parameters=[
CPWParameters(width=pars.flux_line_contact_width, gap=0),
CPWParameters(smoothing=True),
CPWParameters(width=pars.flux_line_outer_width, gap=0)
],
turn_radiuses=max(pars.flux_line_outer_width,
pars.flux_line_contact_width),
segment_lengths=[
pars.flux_line_dy + pars.flux_line_outer_width,
pars.flux_line_dx / 2 - self.bot_inter_lead_dx
],
turn_angles=[-np.pi / 2],
trans_in=Trans.R90)
self.primitives["bot_dc_flux_line_left"] = \
self.bot_dc_flux_line_left