Source code for kqcircuits.test_structures.stripes_test_increasing_width

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

from kqcircuits.test_structures.test_structure import TestStructure

[docs] class StripesTestIncreasingWidth(TestStructure): """PCell declaration for optical lithography test stripes. Contains a given number of lines in `base_metal_gap_wo_grid`-layer with given length and spacing, and increasing width. There is also a text in `base_metal_gap_wo_grid`-layer next to the lines, which shows the line width. """ num_stripes = Param(pdt.TypeInt, "Number of stripes", 20) min_stripe_width = Param(pdt.TypeDouble, "Beginning width of the stripe sequence", 1, unit="μm") stripe_step = Param(pdt.TypeDouble, "Stripe widening increment in the stripe sequence", 1, unit="μm") stripe_length = Param(pdt.TypeDouble, "Length of the stripes", 100, unit="μm") stripe_spacing = Param(pdt.TypeDouble, "Spacing between the stripes", 1, unit="μm")
[docs] def build(self): layer_base_metal = self.get_layer("base_metal_gap_wo_grid") width = float(self.min_stripe_width) loc = 0 for _ in range(self.num_stripes): stripe = pya.DBox(0, 0, width, self.stripe_length) trans = pya.DTrans(loc, 0) self.cell.shapes(layer_base_metal).insert(trans * stripe) loc += width + self.stripe_spacing width += float(self.stripe_step) spacing_str = int(self.stripe_spacing) text_cell = self.layout.create_cell( "TEXT", "Basic", { "layer": self.face()["base_metal_gap_wo_grid"], "text": "{}".format(spacing_str), "mag": 40, }, ) text_x = float(loc + self.min_stripe_width) text_y = self.stripe_length / 2 self.insert_cell(text_cell, pya.DTrans(text_x, text_y))