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Solid-State Enhanced CPU Lid Design: A Practical Alternative to Inert-Gas Cavity Sealing

Year: 2025

Type: article

Abstract: Conventional CPU integrated heat spreader (IHS) designs sometimes incorporate inert gas cavities to minimize oxidation and aging of sensitive die surfaces. However, such cavities pose thermal and reliability trade-offs due to gas leakage and poor thermal conductivity. This proposal suggests replacing inert gas cavities with engineered solid-state thermal interface materials (TIMs), such as graphite films, thermal pads, or phase change materials, to enhance structural integrity, simplify manufacturing, and significantly improve thermal performance.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.15896586

Author: no one wants the idea

Language: English

Topic: Thermal properties of materials

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

SDGs: Affordable and clean energy, Industry, innovation and infrastructure

Open Access status: green

OpenAlex ID: W6967997318

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