micheleandCursor
6fc2ac583d
Use the vendored Hammerstad-Jensen/Cohn engine for microstrip, stripline, and coupled-diff advice. Skip OpenEMS/pcbnew and refuse CPWG rather than inventing a number. Co-authored-by: Cursor <cursoragent@cursor.com>
31 lines
929 B
YAML
31 lines
929 B
YAML
# Manual stackup description consumed by impedancefinder.board_model.load_manual_stackup().
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#
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# This is the primary way to supply Er/height data today: KiCad's Python API
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# (verified against KiCad 10.0.4) does not expose BOARD_STACKUP to scripting,
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# so Board Setup's physical stackup cannot be read back reliably. Fill this
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# file in from the fabricator's stackup table instead.
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#
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# copper_layers: ordered top-to-bottom, using KiCad's canonical layer names.
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# dielectrics: ordered top-to-bottom, one entry between each pair of adjacent
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# copper layers (len(dielectrics) == len(copper_layers) - 1).
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# copper_thickness_mm: optional, defaults to 0.035mm (1oz copper) if omitted.
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copper_thickness_mm: 0.035
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copper_layers:
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- F.Cu
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- In1.Cu
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- In2.Cu
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- B.Cu
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dielectrics:
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- name: core
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er: 4.4
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height_mm: 0.2
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- name: prepreg
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er: 4.1
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height_mm: 1.0
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- name: core
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er: 4.4
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height_mm: 0.2
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