# US 12,114,464 B2 · Liquid immersion cooler

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 12,114,464 B2
- Document ID: US12114464B2
- Status: Granted
- Kind: B2
- Application number: 17/725,169
- Filed: 2022-04-20
- Published: 2023-10-26
- Granted: 2024-10-08
- Earliest claimed: 2022-04-20
- Assignees: Taiwan Microloops Corp.
- Applicants: Taiwan Microloops Corp.
- Inventors: Chun-Teng Chiu
- Web page: https://patentgrep.com/patent/US12114464B2

## CPC

- H05K 7/20236: {by immersion}
- H05K 7/20254: {Cold plates transferring heat from heat source to coolant}
- H05K 7/20263: {Heat dissipaters releasing heat from coolant}
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

A liquid immersion cooler includes a metal case, a soldering layer, a heat conduction layer, and a porous structure. The metal case has a heated surface and a cooling surface disposed on back of the heated surface. The soldering layer is laid on the cooling surface. The heat conduction layer is laid on the soldering layer. The porous structure is laid on the heat conduction layer. Therefore, the waste heat from an electronic heat source may be rapidly dissipated.

## Claims

### Claim 1

A liquid immersion cooler comprising:
a metal case, comprising a heated surface and a cooling surface disposed on back of the heated surface;
a soldering layer, laid on the cooling surface;
a heat conduction layer, laid on the soldering layer; and
a porous structure, laid on the heat conduction layer,
wherein the porous structure is a woven metal mesh;
wherein a mesh value of the woven metal mesh is greater than or equal to 65.

### Claim 2 (depends on 1)

The liquid immersion cooler of claim 1, wherein the mesh value of the woven metal mesh is between 120 and 300.

### Claim 3 (depends on 1)

The liquid immersion cooler of claim 1, wherein the woven metal mesh is a copper mesh.

### Claim 4

A liquid immersion cooler comprising:
a metal case, comprising a heated surface and a cooling surface disposed on back of the heated surface;
a soldering layer, laid on the cooling surface;
a heat conduction layer, laid on the soldering layer; and
a porous structure, laid on the heat conduction layer,
wherein the porous structure is a woven metal mesh;
wherein the woven metal mesh comprises multiple mesh units stacked with each other.

### Claim 5

A liquid immersion cooler comprising:
a metal case, comprising a heated surface and a cooling surface disposed on back of the heated surface;
a soldering layer, laid on the cooling surface;
a heat conduction layer, laid on the soldering layer; and
a porous structure, laid on the heat conduction layer
wherein the porous structure is a woven metal mesh;
wherein the woven metal mesh is connected to the heat conduction layer in a diffusion bonding manner.

### Claim 6 (depends on 1)

The liquid immersion cooler of claim 1, wherein the soldering layer comprises a solder paste.

### Claim 7 (depends on 1)

The liquid immersion cooler of claim 1, wherein the heat conduction layer comprises a copper foil.

### Claim 8 (depends on 1)

The liquid immersion cooler of claim 1, wherein the metal case comprises a substrate and multiple side plates downward extended from a periphery of the substrate, the heated surface is disposed on a lower surface of the substrate, and the cooling surface is disposed on an upper surface of the substrate.