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US 2019/0200455 A1Published application
Resin sheet
AssigneeAjinomoto Co., Inc.
InventorsShigeo NAKAMURA, Shiro TATSUMI, lkumi SAWA
Life of this patent
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Abstract
Resin sheets which includes a support and a resin composition layer in contact on the support, and which are characterized in that an extracted water conductivity A of a cured product of the resin composition layer when extracted at 120° C. for 20 hours is 50 μS/cm or less and an extracted water conductivity B of the cured product of the resin composition layer when extracted at 160° C. for 20 hours is 200 μS/cm or less, can provide a thin insulating layer having excellent insulating properties.
Claims14
1-2. (canceled)
A resin sheet, comprising:
- a support;
- and
- a resin composition layer being in contact on the support,
- wherein
- a ratio (B/A) of a tensile breaking strength B of a 10 μm thickness cured product of the resin composition layer after a HAST test to a tensile breaking strength A of a 10 μm thickness cured product of the resin composition layer is 0.65 or more and 1 or less.
2 more elements
5-14. (canceled)
Dependencies are inferred from the claim text.