H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 3/02 (2006.01)
Patent
CA 2063461
RD-20,636 A PHOTO-MASK FOR THREE-DIMENSIONAL OBJECTS Abstract of the disclosure A photo-mask used for photo-imaging selected areas on the surfaces of a three-dimensional printed circuit board substrate. The photo-mask comprises a membrane transparent and degradation resistant to UV light, having at least one side with a contoured shape conforming, and flexible enough to comply with surface irregularities on the surfaces of the three-dimensional substrate being photo-imaged. A pattern of tracks opaque to UV light is positioned along the contoured shape of the membrane. The pattern of tracks on the photo- mask is in accordance with a desired conductive metal trace pattern on the surfaces of the three-dimensional printed circuit board substrate.
Dumas William V.
Foust Donald F.
Karas Bradley R.
Lamby Edward J.
Onyshkevych Lubomyr S.
Company General Electric
Craig Wilson And Company
Dumas William V.
Foust Donald F.
Karas Bradley R.
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