Laminated structure

US9817313B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9817313-B2
Application numberUS-201615086412-A
CountryUS
Kind codeB2
Filing dateMar 31, 2016
Priority dateMar 31, 2015
Publication dateNov 14, 2017
Grant dateNov 14, 2017

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A laminated structure for use as a thy film photoresist, which includes a supporting layer, a photosensitive resin layer and a protective layer. The protective layer is a polyester film that has a maximum surface roughness between 1,500 nm and 2,500 nm, and a sheet resistance between 1×108Ω/□ and 1×1012Ω/□. The laminated structure is particularly applicable to the manufacture of a photosensitive device and a circuit of a printed circuit board or a lead frame.

First claim

Opening claim text (preview).

What is claimed is: 1. A laminated structure, comprising a supporting layer, a photosensitive resin layer and a protective layer, wherein the protective layer is a polyester film with surface characteristics that meet the following conditions: 1,500 nm≦maximum surface roughness≦2,500 nm; and 1×10 8 Ω/Υ≦sheet resistance≦1×10 12 Ω/Υ. 2. The laminated structure according to claim 1 , wherein the protective layer has a thickness between about 1 μm and about 100 μm. 3. The laminated structure according to claim 1 , wherein the photosensitive resin layer comprises: (a) a polymeric binder; (b) a photopolymerizable compound containing a double bond; and (c) a photoinitiator. 4. The laminated structure according to claim 1 , wherein the protective layer has a maximum surface roughness between about 1,700 nm and about 2,300 nm. 5. The laminated structure according to claim 1 , wherein the protective layer has a maximum surface roughness of between about 2,000 nm and about 2,300 nm. 6. The laminated structure according to claim 1 , wherein the protective layer has a sheet resistance between 1×10 9 Ω/Υ and 1×10 11 Ω/Υ. 7. The laminated structure according to claim 1 , wherein the protective layer is antistatic.

Assignees

Inventors

Classifications

  • Flexible substrates, e.g. plastics, organic film · CPC title

  • Photosensitive compositions · CPC title

  • comprising polyesters · CPC title

  • having particular electrical or magnetic properties, e.g. piezoelectric · CPC title

  • B32B27/08Primary

    of synthetic resin · CPC title

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What does patent US9817313B2 cover?
A laminated structure for use as a thy film photoresist, which includes a supporting layer, a photosensitive resin layer and a protective layer. The protective layer is a polyester film that has a maximum surface roughness between 1,500 nm and 2,500 nm, and a sheet resistance between 1×108Ω/□ and 1×1012Ω/□. The laminated structure is particularly applicable to the manufacture of a photosensitiv…
Who is the assignee on this patent?
Eternal Mat Co Ltd
What technology area does this patent fall under?
Primary CPC classification B32B27/08. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Nov 14 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).