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Title:
PREPREG, PRODUCTION METHOD THEREOF AND PRINTED WIRING BOARD
Document Type and Number:
Japanese Patent JP2008031222
Kind Code:
A
Abstract:

To provide a prepreg suppressing warpage of a molded laminate plate, a printed wiring board.

This prepreg is a prepreg in which dispersion of the unit weight of the prepreg in the width direction thereof after impregnating a lengthy substrate 1 with a resin varnish 3 and drying satisfies the following formula (1):(Wmax-Wmin)/Wave3% wherein Wmax represents the prepreg maximum weight(g/m2), Wmin represents the prepreg minimum weight(g/m2), Wave represents the prepreg average weight(g/m2).


Inventors:
ABE TOMOYUKI
YONEMOTO KAMIO
TAWARA AKITOMO
Application Number:
JP2006203713A
Publication Date:
February 14, 2008
Filing Date:
July 26, 2006
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
C08J5/24; H05K1/03
Domestic Patent References:
JPH11254435A1999-09-21
JP2005255927A2005-09-22
JP2005264146A2005-09-29
JP2005238596A2005-09-08
JP2001122992A2001-05-08
JP2006123221A2006-05-18
JP2003159706A2003-06-03
JP2003276024A2003-09-30
JPS5695626A1981-08-03
JP2001113529A2001-04-24
JPH06166031A1994-06-14
JPS602313A1985-01-08
JP2001113529A2001-04-24
JPH06166031A1994-06-14
JPS602313A1985-01-08
JPS62259813A1987-11-12
JPS6090757A1985-05-21
Attorney, Agent or Firm:
Toshio Nishizawa