Inventor

SCHAFFER WILLIAM J

US5 patents

⚠️ This page may combine multiple inventors who share the name “SCHAFFER WILLIAM J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

2 patents

US4669076AMay 26, 1987

Optical disk drive apparatus with means for accurate disk positioning

IBM24 citations78

US4176382ANov 27, 1979

High performance tape path for a 19 inch tape recorder

IBM4 citations55

XMR INC

1 patent

US6103539AAug 15, 2000

Method and system for nondestructive layer defect detection

XMR INC9 citations63

PRIMESTAR SOLAR INC

1 patent

US8377737B1Feb 19, 2013

Methods of short wavelength laser scribing of a thin film photovoltaic device

PRIMESTAR SOLAR INC3 citations55

FELDMAN-PEABODY SCOTT DANIEL

1 patent

US9555502B2Jan 31, 2017

Dual lasers for removing glass-side debris during the manufacture of thin film photovoltaic devices

FELDMAN-PEABODY SCOTT DANIEL0 citations49