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Title:
ORGANIC INSULATOR, METAL-CLAD LAMINATE, AND WIRING BOARD
Document Type and Number:
WIPO Patent Application WO/2020/100259
Kind Code:
A1
Abstract:
A flame retardant 7 is contained in a resin phase 5. As regards the flame retardant 7, the frequency for which the particle size distribution was evaluated with the particle size divided in increments of 1 µm was greatest in the range of 1 µm or less. The resin phase 5 contains inorganic particles 9. As regards the inorganic particles 9, the frequency for which the particle size distribution was evaluated with the particle size divided in increments of 0.5 µm was least in a range of 0.5 µm or less. The flame retardant 7 has an average particle diameter greater than the average particle diameter of the inorganic particles 9. The number frequency for each of the flame retardant 7 and the inorganic particles 9 decreases as particle diameter increases.

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Inventors:
KAJITA SATOSHI (JP)
TAMI YASUHIDE (JP)
Application Number:
PCT/JP2018/042312
Publication Date:
May 22, 2020
Filing Date:
November 15, 2018
Export Citation:
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Assignee:
KYOCERA CORP (JP)
International Classes:
H01B3/30
Domestic Patent References:
WO2005013291A12005-02-10
WO2018016527A12018-01-25
Foreign References:
JP2009088237A2009-04-23
JP2007002036A2007-01-11
JP2012160741A2012-08-23
JP2010100843A2010-05-06
Other References:
See also references of EP 3882927A4
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