Vapor Chamber Hooked Section Design for Thermal Expansion

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional vapor chambers require additional support structures to prevent thermal expansion, increasing manufacturing costs and thickness, while also being prone to dry burn and thermal expansion issues.

Innovation Solution

A vapor chamber structure and manufacturing method that eliminates the need for additional support structures by using a first and second board body with a hooked section and hook section, respectively, which connect and provide support, allowing for effective heat dissipation and preventing thermal expansion through mechanical processing and sealing with a working fluid.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If multiple support column bodies are disposed in the chamber to prevent thermal expansion and deformation, then the vapor chamber structural stability is improved, but the manufacturing cost is increased and the vapor chamber thickness is increased

Engineering Contradiction:
Improvestructural stabilityVSAvoidmanufacturing cost
Core Design Contradiction:
Stability of the object's compositionVSEase of manufacture

Solution Approach 1:

The support structure function is merged with the board body itself by forming hooked sections directly on the board body surfaces. This eliminates the need for separate support column bodies, thereby reducing manufacturing cost while maintaining structural stability during heating or under external pressure.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The board body serves multiple functions: it acts as both the structural container and the support structure through its hooked sections. This multi-functionality eliminates the need for additional dedicated support components, reducing overall device complexity and manufacturing cost.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Stability of the object's composition

If multiple support column bodies are disposed in the chamber to prevent thermal expansion and deformation, then the vapor chamber structural stability is improved, but the manufacturing time is prolonged

Engineering Contradiction:
Improvestructural stabilityVSAvoidmanufacturing time
Core Design Contradiction:
Stability of the object's compositionVSProductivity

Solution Approach 1:

The support structure is combined with the board body as an integrated component. The hooked sections are formed directly on the board body during the same manufacturing process, eliminating the need for separate manufacturing and assembly steps for support columns, thereby reducing manufacturing time.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The hooked sections are pre-formed on the board body surfaces before assembly. This preliminary action integrates the support structure creation into the board body manufacturing process itself, avoiding subsequent assembly steps and reducing overall manufacturing time.

Inventive Principle:
Principle #10Preliminary action

3Stability of the object's composition

If multiple support column bodies are disposed in the chamber to prevent thermal expansion and deformation, then the vapor chamber structural stability is improved, but the vapor chamber weight is increased

Engineering Contradiction:
Improvestructural stabilityVSAvoidvapor chamber weight
Core Design Contradiction:
Stability of the object's compositionVSWeight of stationary object

Solution Approach 1:

The support structure is merged with the board body, eliminating separate support column bodies. This integration reduces the total material used and consequently reduces the overall weight of the vapor chamber while maintaining structural stability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The board body performs dual functions as both container and support structure. This eliminates the need for additional weight-bearing components, reducing the overall weight of the vapor chamber assembly.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Stability of the object's composition

If multiple support column bodies are disposed in the chamber to prevent thermal expansion and deformation, then the vapor chamber structural stability is improved, but the vapor chamber thickness is increased

Engineering Contradiction:
Improvestructural stabilityVSAvoidvapor chamber thickness
Core Design Contradiction:
Stability of the object's compositionVSLength of stationary object

Solution Approach 1:

The support structure is integrated into the board body surfaces as hooked sections rather than adding separate vertical support columns. This integration allows the vapor chamber to maintain structural stability without increasing overall thickness, as the support features are formed on the existing board body surfaces.

Inventive Principle:
Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution reduces manufacturing costs, prevents thermal expansion, and allows for thinner vapor chamber designs without dry burn issues, enhancing heat dissipation efficiency.

Implementation Method 1

A hook section is disposed on the third face. The hook section and the hooked section can contact and hook/grasp and connect with each other

Methodology Applied
Scientific EffectMechanical interlocking: Mechanical Fastener

Implementation Method 2

The vapor chamber is a flat plate body having an internal chamber for vapor-liquid circulation to dissipate heat

Methodology Applied
Scientific EffectVapor-liquid circulation: Heat Pipe

Implementation Method 3

sealing the periphery of the first and second board bodies and vacuuming the first and second board bodies

Methodology Applied
Scientific EffectVacuum sealing: Vacuum

Data Source

PatentUS10112272B2Manufacturing method of vapor chamber
Publication Date: 2018.10.30 ASIA VITAL COMPONENTS CO LTD
  • US10112272B2 patent drawing
  • US10112272B2 patent drawing
  • US10112272B2 patent drawing

AI summary

A manufacturing method of vapor chamber includes steps of: providing a first board body and a second board body; using mechanical processing to form a hooked section structure on one face of the first board body; using mechanical processing to form a hook section structure on one face of the second board body; and correspondingly mating the first and second board bodies with each other to make the hook section and the hooked section contact and hook and connect with each other and sealing the periphery of the first and second board bodies and vacuuming the first and second board bodies and filling therein a working fluid. According to the manufacturing method, the vapor chamber is manufactured without any additional support structure, but is still free from the problem of thermal expansion. Also, the vapor chamber can be thinned and lightweight.