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Title:
LAMINATED PLATE
Document Type and Number:
Japanese Patent JP2674434
Kind Code:
B
Abstract:

PURPOSE: To provide a laminated plate which has ultraviolet ray shielding properties adapted as a board of printed circuits and no decreases in thermal discoloring and chemical resistance.
CONSTITUTION: A laminated plate is formed by impregnating sheetlike material made of glass fiber with resin, laminating a plurality of the materials, heating, pressurizing and molding them in such a manner that alkali content (Na2O and K2O) contained in the fiber is 20-50wt.%. Further, resin impregnating amount is set to 40 or desirably 45wt.% or more.


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Inventors:
Takahashi, Katsuharu
Noda, Masayuki
Application Number:
JP1992000224456
Publication Date:
July 18, 1997
Filing Date:
August 25, 1992
Export Citation:
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Assignee:
SHIN KOBE ELECTRIC MACH CO LTD
International Classes:
B29C70/10; B32B5/28; B32B17/04; B32B27/04; H05K1/03; B29K105/08; B29L31/34; B29C70/10; B32B5/22; B32B17/04; B32B27/04; H05K1/03; (IPC1-7): B32B17/04; B29C70/10; B32B5/28; B32B27/04; H05K1/03



 
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