Title:
METHOD FOR PRODUCING PRINTED WIRING BOARD AND PRINTED WIRING BOARD
Document Type and Number:
Japanese Patent JP2002016339
Kind Code:
A
Abstract:
To provide a method for producing a printed wiring board by punching the outline and holes using a die in which bristling of basic material fibers is prevented from being left on the punched face.
Solder resist is applied to the vicinity of punched parts of a printed wiring board in which holes are punched by means of a press.
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Inventors:
YAMADA TAKESHI
AMANO TAKAHIRO
SUMIKAWA MASARU
AMANO TAKAHIRO
SUMIKAWA MASARU
Application Number:
JP2000198298A
Publication Date:
January 18, 2002
Filing Date:
June 30, 2000
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
B21D28/00; H05K1/03; H05K3/00; H05K3/28; (IPC1-7): H05K3/00; B21D28/00; H05K1/03; H05K3/28
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)
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