Source code for kqcircuits.chips.stripes

# This code is part of KQCircuits
# Copyright (C) 2021 IQM Finland Oy
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import numpy

from kqcircuits.pya_resolver import pya
from kqcircuits.util.parameters import Param, pdt

from kqcircuits.chips.chip import Chip


[docs] class Stripes(Chip): """The PCell declaration for a Stripes chip.""" edge_len = Param(pdt.TypeInt, "Length of square's one edge", 80) inter_space = Param(pdt.TypeInt, "Space in between the Squares", 20) axis = Param(pdt.TypeString, "The axis of the stripes", "Vertical")
[docs] def build(self): # defining the dimensions for creating the polygonal area of test left = self.box.left right = self.box.right top = self.box.top bottom = self.box.bottom # dimensions for the hole on the ground plane p_top = 8000 p_bottom = 2000 p_left = 2000 p_right = 8000 width = right - left height = top - bottom dice_width = float(self.frames_dice_width[0]) # create the test area polygon poly = pya.DPolygon( [ pya.DPoint(left + p_left, bottom + 100 + dice_width), pya.DPoint(left + p_left, bottom + p_bottom), pya.DPoint(left + 100 + dice_width, bottom + p_bottom), pya.DPoint(left + 100 + dice_width, bottom + p_top), pya.DPoint(left + p_left, bottom + p_top), pya.DPoint(left + p_left, bottom + height - 100 - dice_width), pya.DPoint(left + p_right, bottom + height - 100 - dice_width), pya.DPoint(left + p_right, bottom + p_top), pya.DPoint(left + width - 100 - dice_width, bottom + p_top), pya.DPoint(left + width - 100 - dice_width, bottom + p_bottom), pya.DPoint(left + p_right, bottom + p_bottom), pya.DPoint(left + p_right, bottom + 100 + dice_width), ] ) # create the box array b_array = [] square_y_reach = bottom + height square_x_start = left + 120 square_x_reach = left + width - dice_width step = self.edge_len + self.inter_space stripe_step = step * 2 if self.axis == "Vertical": stripe_start = left + dice_width + self.inter_space stripe_reach = left + width stripe_top_right_y = top - 20 stripe_bottom_left_y = bottom + 20 square_y_start = bottom + dice_width + self.inter_space square_y_step = step square_x_step = step * 2 elif self.axis == "Horizontal": stripe_start = bottom + dice_width + self.inter_space stripe_reach = bottom + height stripe_top_right_x = right - 20 stripe_bottom_left_x = left + 20 square_y_start = bottom - 80 square_y_step = step * 2 square_x_step = step # creating the stripes for all of the ground grid for c in numpy.arange(stripe_start, stripe_reach, stripe_step): if self.axis == "Vertical": stripe_top_right_x = c + self.edge_len stripe_bottom_left_x = c elif self.axis == "Horizontal": stripe_top_right_y = c + self.edge_len stripe_bottom_left_y = c r = pya.DPolygon( pya.DBox(stripe_bottom_left_x, stripe_bottom_left_y, stripe_top_right_x, stripe_top_right_y) ).to_itype(self.layout.dbu) b_array.append(r) # creating the squares for all of the ground grid for y in numpy.arange(square_y_start, square_y_reach, square_y_step): for x in numpy.arange(square_x_start, square_x_reach, square_x_step): b = pya.DPolygon(pya.DBox(x, y, x + self.edge_len, y + self.edge_len)).to_itype(self.layout.dbu) b_array.append(b) # substract the box array from the polygon reg1 = pya.Region(poly.to_itype(self.layout.dbu)) reg2 = pya.Region() for b in b_array: reg2.insert(b) result = reg1 - reg2 self.cell.shapes(self.get_layer("base_metal_gap_wo_grid")).insert(result)