Source code for kqcircuits.test_structures.stripes_test

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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 StripesTest(TestStructure): """PCell declaration for optical lithography test stripes. Contains a given number of lines in `base_metal_gap_wo_grid`-layer with given width, length and spacing. 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) stripe_width = Param(pdt.TypeDouble, "Width of the stripes", 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.stripe_width) stripe = pya.DBox(0, 0, width, self.stripe_length) for i in range(self.num_stripes): trans = pya.DTrans(i * (width + self.stripe_spacing), 0) self.cell.shapes(layer_base_metal).insert(trans * stripe) width_str = int(width) if width.is_integer() else width text_cell = self.layout.create_cell( "TEXT", "Basic", { "layer": self.face()["base_metal_gap_wo_grid"], "text": "{}".format(width_str), "mag": 40, }, ) text_x = self.num_stripes * (width + self.stripe_spacing) + width text_y = self.stripe_length / 2 self.insert_cell(text_cell, pya.DTrans(text_x, text_y))