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libs.teck: klayout: pycell: Remove filler from Sealring #117

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libs.teck: klayout: pycell: Remove filler from Sealring
Metal fill in the sealring was not DRC conform and should be handled
by other tools.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
dnltz committed May 18, 2024

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This commit was created on GitHub.com and signed with GitHub’s verified signature. The key has expired.
commit b0087ba7b82a4f7700c651032c448bc1179aa112
Original file line number Diff line number Diff line change
@@ -36,7 +36,6 @@ def defineParamSpecs(cls, specs):

specs('l', '150u', 'Length(X-Axis)')
specs('w', '150u', 'Width(Y-Axis)')
specs('wfill', '30u', 'Filler ring width')
specs('addLabel', 'nil', 'Add sub! label', ChoiceConstraint(['nil', 't']))
specs('addSlit', 'nil' , 'Add Slit', ChoiceConstraint(['nil', 't']))

@@ -48,7 +47,6 @@ def setupParams(self, params):
self.params = params
self.l = params['l']
self.w = params['w']
self.wfill = params['wfill']
self.addLabel = params['addLabel']
self.addSlit = params['addSlit']

@@ -59,7 +57,6 @@ def genLayout(self):

l = self.l
w = self.w
wfill = self.wfill
addLabel = self.addLabel
addSlit = self.addSlit

@@ -73,7 +70,6 @@ def genLayout(self):

w = Numeric(w)*1e6;
l = Numeric(l)*1e6;
wfill = Numeric(wfill)*1e6;

maxMetalWidth = 4.2
maxMetalLength = maxMetalWidth * 2
@@ -180,59 +176,3 @@ def genLayout(self):
dbCreateRect(self, Layer(layer, 'drawing'), Box(corner_end, viaOffset-0.1, l - corner_end, viaOffset + viaWidth - 0.1))
dbCreateRect(self, Layer(layer, 'drawing'), Box(l - viaOffset+0.1, corner_end, l - viaWidth - viaOffset + 0.1, w - corner_end))
dbCreateRect(self, Layer(layer, 'drawing'), Box(corner_end, w - viaOffset+0.1, l - corner_end, w - viaWidth - viaOffset + 0.1))


if wfill > 0. : # draw fillers
distance_edgeseal = self.techparams['MFil_c']
id = dbCreatePolygon(self, 'Metal1', PointList([Point(metalOffset, metalOffset), Point(metalOffset, metalOffset+16.8), Point(metalOffset+16.8, metalOffset)]))
# ActFiller and GatFiller
distance_edgeseal = self.techparams['GFil_d']
fillerList = DrawFillers(self, Layer('Activ', 'filler'), metalOffset-wfill, -wfill+0.8+metalOffset, l-metalOffset, metalOffset-distance_edgeseal-0.8, 3.4, 3.4, 1.6, 1.6, 'h', 1, True)
item_list = DrawFillers(self, Layer('GatPoly', 'filler'), metalOffset-wfill+1, -wfill+metalOffset, l-metalOffset-1, metalOffset-distance_edgeseal, 1.4, 5, 3.6, 0, 'h', 1, True)
fillerList += item_list
item_list = DrawFillers(self, Layer('Activ', 'filler'), metalOffset-wfill+1, metalOffset-0.9, metalOffset-1.8, w+wfill-metalOffset, 3.4, 3.4, 1.6, 1.6, 'v', 1, True)
fillerList += item_list
item_list = DrawFillers(self, Layer('GatPoly', 'filler'), metalOffset-wfill+0.2, metalOffset+0.1, metalOffset-1.0, w+wfill-metalOffset-1.0, 5, 1.4, 0, 3.6, 'v', 1, True)
fillerList += item_list

# M1Filler - M5Filler
layers = ['Metal1', 'Metal2', 'Metal3', 'Metal4', 'Metal5']
filler_height = self.techparams['MFil_a1']
filler_width = self.techparams['MFil_a2']
filler_space = 1.2
distance_edgeseal = self.techparams['MFil_c']
distance_edgeseal = self.techparams['MFil_b']
for layer in layers :
item_list = DrawFillers(self, Layer(layer, 'filler'), metalOffset-wfill, -wfill+metalOffset, l-metalOffset, metalOffset-distance_edgeseal , filler_width, filler_height, filler_space, filler_space, 'h', 1, True)
fillerList += item_list
item_list = DrawFillers(self, Layer(layer, 'filler'), metalOffset-wfill, metalOffset+0.8, metalOffset-filler_space, w+wfill-metalOffset, filler_height, filler_width, filler_space, filler_space, 'v', 1, True)
fillerList += item_list
idlist = DrawFillers(self, Layer(layer, 'filler'), metalOffset, metalOffset, metalOffset+16.8, metalOffset+16.8, filler_height, filler_height, filler_space, filler_space, 'h', 0, True)
item_list = dbLayerInside(self, Layer(layer, 'filler'), idlist, id)
fillerList += item_list
for i in idlist :
dbDeleteObject(i)

# TopMet1Filler
filler_height = self.techparams['TM1Fil_a']
filler_width = self.techparams['TM1Fil_a1']
filler_space = 3.
distance_edgeseal = self.techparams['TM1Fil_c']

item_list = DrawFillers(self, Layer('TopMetal1', 'filler'), metalOffset-wfill, -wfill+metalOffset, l-metalOffset, metalOffset-distance_edgeseal, filler_width, filler_height, filler_space, filler_space, 'h', 1, True)
fillerList += item_list
item_list = DrawFillers(self, Layer('TopMetal1', 'filler'), metalOffset-wfill, metalOffset+0.8, metalOffset-filler_space, w+wfill-metalOffset, filler_height, filler_width, filler_space, filler_space, 'v', 1, True)
fillerList += item_list
item_list = dbCreateRect(self, Layer('TopMetal1', 'filler'), Box(metalOffset, metalOffset, metalOffset+5, metalOffset+5))
fillerList.append(item_list)
# TopMet2Filler
item_list = DrawFillers(self, Layer('TopMetal2', 'filler'), metalOffset-wfill, -wfill+metalOffset, l-metalOffset, metalOffset-distance_edgeseal, filler_width, filler_height, filler_space, filler_space, 'h', 1, True)
fillerList += item_list
item_list = DrawFillers(self, Layer('TopMetal2', 'filler'), metalOffset-wfill, metalOffset+0.8, metalOffset-filler_space, w+wfill-metalOffset, filler_height, filler_width, filler_space, filler_space, 'v', 1, True)
fillerList += item_list
item_list = dbCreateRect(self, Layer('TopMetal2', 'filler'), Box(metalOffset, metalOffset, metalOffset+5, metalOffset+5))
fillerList.append(item_list)

dbDeleteObject(id)

ihpCopyFig(fillerList, Point(l, w), 'R180')