The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 15, 2025

Filed:

Mar. 05, 2021
Applicant:

Rm Tohcello Co., Ltd., Tokyo, JP;

Inventors:

Toru Miura, Nagoya, JP;

Hiroyoshi Kurihara, Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/683 (2006.01); C09J 7/24 (2018.01); H01L 21/56 (2006.01); H01L 21/78 (2006.01);
U.S. Cl.
CPC ...
H01L 21/6836 (2013.01); C09J 7/245 (2018.01); H01L 21/561 (2013.01); H01L 21/568 (2013.01); H01L 21/7806 (2013.01); C09J 2203/326 (2013.01); H01L 2221/68327 (2013.01);
Abstract

A method for manufacturing an electronic device includes at least a preparing step of preparing a structure provided with an adhesive film provided with a base material layer, an adhesive resin layer (A) provided on a first surface side of the base material layer, an adhesive resin layer (B) provided on a second surface side of the base material layer, and an unevenness-absorbing resin layer (C) provided between the base material layer and the adhesive resin layer (A) or between the base material layer and the adhesive resin layer, and an electronic component attached to the adhesive resin layer (A) of the adhesive film and having an uneven structure, a cross-linking step of cross-linking the unevenness-absorbing resin layer (C) by applying an external stimulus to the unevenness-absorbing resin layer (C) in the structure, and a sealing step of sealing the electronic component with a sealing material.


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