Method for manufacturing a vapor chamber

The resin composition-based manufacturing method for vapor chambers addresses flexibility and adhesion issues, enabling effective heat transport and fluid flow by allowing deformation and shaping to match heat-generating components.

JP7868342B2Active Publication Date: 2026-06-02SUMITOMO BAKELITE CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
SUMITOMO BAKELITE CO LTD
Filing Date
2022-01-24
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Vapor chambers lack flexibility and adhesion with heat-generating components, leading to reduced heat transport capacity and hindered fluid flow due to deformation issues.

Method used

A method for manufacturing a vapor chamber using a resin composition that includes an alkali-soluble resin, photopolymerizable resin, and thermosetting resin, allowing deformation and shaping to conform to heat-generating components, with a deformation prevention member to maintain structural integrity and fluid flow.

Benefits of technology

The method enables vapor chambers to be deformed into desired shapes, improving adhesion and heat transport capacity, even in non-planar spaces, while maintaining durability and flexibility.

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Abstract

To provide a resin composition that can be easily deformed in a process of manufacturing a vapor chamber, and is suitably used to manufacture the vapor chamber in a desired shape.SOLUTION: A resin composition has an elasticity modulus of 1.0 MPa or more and 50 MPa or less at 23°C after a film of 100 μm in thickness which is formed using the resin composition is exposed to light with a main wavelength of 365 nm from a mercury lamp by a cumulative quantity of light of 700 mJ / cm2, and an elasticity modulus of 800 MPa or more and 3,000 MPa or less at 23°C after the film of 100 μm in thickness which is formed using the resin composition is exposed to light with the main wavelength of 365 nm from the mercury lamp by the cumulative quantity of light of 700 mJ / cm2 and then thermally cured at 180°C for 90 minutes.SELECTED DRAWING: None
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