Inventor

ABE SHIGETOSHI

JP2 patents

Patents

2 patents

US6564451B2May 20, 2003

Hole filling method for a printed wiring board

JAPAN RADIO CO LTD2 citations59

US6794585B2Sep 21, 2004

Printed circuit board having filled throughole with corner rounded portion and manufacturing method

JAPAN RADIO CO LTD0 citations38