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US 6,586,827 B2Granted
Wiring board and method for fabricating the same
AssigneeNgk Spark Plug Co., Ltd.
InventorsHiroki Takeuchi, Toshifumi Kojima, Kazushige Obayashi, Hisahito Kashima
Life of this patent
Estimating the term…
Abstract
A wiring board includes a substrate having an opening, and an electronic part placed in the opening, wherein a space left in the opening is filled with an embedding resin having a base color tone selected from black, blue, green, red, orange, yellow, and violet.
Claims18
A wiring board, comprising:
- a substrate having an opening;
- and
- an electronic part placed in the opening,
- wherein a space left in the opening is filled with an embedding resin having a base color tone including carbon black in an amount not to exceed 1.4 mass %.
1 more element
A wiring board, comprising:
- a substrate;
- a second substrate in which a build-up layer formed by laminating an insulating layer and a wiring layer in alternating fashion is formed on at least one surface of the substrate, and an opening is formed to penetrate either the substrate or the build-up layer,
- an electronic part placed in the opening,
- wherein a space left in the opening is filled with an embedding resin having a base color tone including carbon black in an amount not to exceed 1.4 mass %.
1 more element
A wiring board, comprising:
- a substrate having an opening;
- and
- an electronic part placed in the opening,
- wherein a space left in the opening is filled with an embedding resin having a base color tone selected from blue, green, red, orange, yellow, and violet.
1 more element
A wiring board, comprising:
- a substrate;
- a second substrate in which a build-up layer formed by laminating an insulating layer and a wiring layer in alternating fashion is formed on at least one surface of the substrate, and an opening is formed to penetrate either the substrate or the build-up layer;
- and
- an electronic part placed in the opening,
- wherein a space left in the opening is filled with an embedding resin having a base color tone selected from blue, green, red, orange, yellow, and violet.
2 more elements
Dependencies are inferred from the claim text.