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This built-in oacMinNotchSpacing layer constraint defines the minimum notch spacing for a minimum notch length.
| Constraint type: | oaLayerConstraint |
| Value types: | oaIntValue |
| Database types: | oaDesign, oaTech |
| Object types: | oaAppObject |
The following value types are supported by this constraint:
oacMinNotchSpacing is an oaIntValue.
Units: DBU
The following parameters are supported by this constraint:
| Name | Value Type | Units | Default | Description |
|---|---|---|---|---|
| oaNotchLength oacNotchLengthConstraintParamType |
oaIntValue | DBU | (Required) |
This parameter specifies the notch length below which this constraint is triggered. This parameter is expressed in database units to represent the minimum notch length. |
Some fabs have notch spacing rules to avoid issues with optical proximity correction (OPC).
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