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EP0393682A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Semiconductor integrated circuit device

Assignee: UMC Japan Co Ltd
•
Filing: 1990-04-19
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Granted: —
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Expires: 2010-04-19
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Abstract

Abstract 1. A semiconductor integrated circuit device having a protective film made of a polymer having a fluorine-containing aliphatic cyclic structure. i

Inventors

  • 👤 Shinzou Nomura
  • 👤 Hiroshi Katsushima
  • 👤 Toru Kawasaki
  • 👤 Masao Unoki
  • 👤 Masaru Nakamura

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 16:08
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10W42/00; H10W42/20; H10W42/25

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 19 words
A semiconductor integrated circuit device having a protective film made of a polymer having a fluorine-­containing aliphatic cyclic structure.
Claim 2
Dependent Claim 19 words
A semiconductor integrated circuit device having a protective film made of a polymer having a fluorine-­containing aliphatic cyclic structure.
Claim 3
Dependent Claim 27 words
The semiconductor integrated circuit device according to Claim 1, wherein the polymer is a polymer having the cyclic structure in its main chain, obtained by cyclic polymerization.
Claim 4
Dependent Claim 42 words
The semiconductor integrated circuit device according to Claim 1, wherein the polymer is a polymer having the cyclic structure in its main chain, obtained by cyclic polymerization of a monomer having two carbon-carbon multiple bonds differing in the polymerizability in its molecule.
Claim 5
Dependent Claim 36 words
The semiconductor integrated circuit device according to Claim 3, wherein the monomer is the one wherein the straight chain portion of the linking chain connecting the two carbon-carbon multiple bonds has from 2 to 7 atoms.
Claim 6
Dependent Claim 47 words
The semiconductor integrated circuit device according to Claim 1, wherein the polymer is a polymer having the cyclic structure in its main chain, obtained by cyclic polymerization of at least one monomer selected from the group consisting of a perfluoroallyl vinyl ether and a perfluorobutenyl vinyl ether.
Claim 7
Dependent Claim 31 words
The semiconductor integrated circuit device according to Claim 1, wherein the polymer is a polymer having the cyclic structure in its main chain, obtained by radical polymerization of a cyclic monomer.
Claim 8
Dependent Claim 29 words
The semiconductor integrated circuit device according to Claim 1, wherein the polymer is a polymer having the cyclic structure in its main chain, obtained by radical polymerization of perfluoro-2,2-dimethyl-1,3-dioxol.
Claim 9
Dependent Claim 29 words
The semiconductor integrated circuit device according to any one of the preceding Claims, wherein the polymer is a polymer having a fluorine content of at least 30% by weight.
Claim 10
Dependent Claim 28 words
The semiconductor integrated circuit device according to any one of the preceding Claims, wherein the polymer is a polymer containing at least 20 mol% of the cyclic structure.
Claim 11
Dependent Claim 38 words
The semiconductor integrated circuit device according to any one of the preceding Claims, wherein the protective film is an α-ray shielding film, a buffer coat film, an interlayer insulating film, a passivation film or an exterior sealing film.

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