Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1994-12-19
1996-06-18
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
427282, 427272, 427133, 428209, 428901, 264 67, B32B 900
Patent
active
055275869
ABSTRACT:
A method and apparatus for making a template used in manufacturing printed circuit boards is disclosed. The template is made from boron nitride, silicon nitride or similar material which has a melting temperature higher than the melting temperature of the metal forming the conductors in the printed circuit board, is readily machinable or moldable with the desired circuit pattern, and does not adhere to the metal conductors after the metal particles have been melted onto the substrate.
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Rikoski, "Hybrid Microelectronic Circuits The Thick Film", (1973) pp. 158-169.
Topfer, "Thick Film Microelectronics," Van Nostrand Reinhold, Co., 1971, pp. 60-69.
DeVolk Burt
Krubsack Kim
Schuler Eleanor
Jewik Patrick R.
Printron, Inc.
Ryan Patrick J.
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