John A. Welsh | Researchain

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Featured researches published by John A. Welsh.

Archive | 1998

Two signal one power plane circuit board

Kenneth Michael Fallon; Miguel A. Jimarez; Ross W. Keesler; John M. Lauffer; Roy H. Magnuson; Voya R. Markovich; Irv Memis; Jim P. Paoletti; Marybeth Perrino; John A. Welsh; William E. Wilson

Archive | 1998

Multi-voltage plane, multi-signal plane circuit card with photoimageable dielectric

John M. Lauffer; Roy H. Magnuson; Voya R. Markovich; John A. Welsh

Archive | 1998

Method of making a printed circuit board having filled holes

Ashwinkumar C. Bhatt; Joseph Alphonse Kotylo; Kenneth S. Lyjak; Amarjit S. Rai; John A. Welsh

Archive | 1985

Plasma etching with tracer

Suryadevara V. Babu; Joseph Gerard Hoffarth; John A. Welsh

Archive | 1985

Uniform plasma for drill smear removal reactor

Suryadevara V. Babu; Ronald Stephen Horwath; Neng-hsing Lu; John A. Welsh

Archive | 2005

Method of forming printed circuit card

Kenneth Michael Fallon; Miguel A. Jimarez; Ross W. Keesler; John M. Lauffer; Roy H. Magnuson; Voya R. Markovich; Irv Memis; Jim P. Paoletti; Marybeth Perrino; John A. Welsh; William E. Wilson

Archive | 2000

Method of controlling the spread of an adhesive on a circuitized organic substrate

John J. Konrad; Konstantinos I. Papathomas; John A. Welsh

Archive | 1988

Phenolic-free stripping composition and use thereof

Richard Gordon Armant; Edward Lee Arrington; Anilkumar Chinuprasad Bhatt; Donald Michael Egleton; Frederick Mark Ortloff; Joseph J. Sniezek; John A. Welsh

Archive | 1990