Suction Head Contact Structure for Damage-Safe Chip Pickup

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Solution Overview

Problem

Conventional suction devices for electronic components, such as semiconductor chips, require complex load control to prevent damage during the suction process, which is a common issue across various electronic components.

Innovation Solution

A suction device with a suction head that moves between a first position for suction and a second position, using a contact portion to interact with the housing member's outer surface, allowing for simple control of the suction process to minimize component damage, featuring a movement control unit, suction control unit, and a program to manage the suction process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If conventional pick-up tool with protrusions is used for suction, then contact region with semiconductor chip is reduced to suppress static electricity generation, but load control becomes complicated and damage to electronic component may occur

Engineering Contradiction:

Improvestatic electricity damageVSAvoidload control complexity

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The housing member acts as an intermediary element between the suction head and the electronic component. The suction head contacts the housing member's outer surface instead of directly contacting the electronic component, while the housing member transmits the suction force to the electronic component through its recess structure. This intermediary approach simplifies control while preventing damage.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The system is segmented into three distinct functional parts: the suction head for generating suction force, the housing member for transmitting force and housing the component, and the electronic component being handled. This segmentation allows each part to be optimized independently, with the housing member serving as a protective interface that simplifies the control mechanism.

Inventive Principle:

Principle #1Segmentation

2Ease of operation

If suction head contacts electronic component directly, then suction control is simplified, but damage to electronic component occurs due to load

Engineering Contradiction:

Improvesuction control simplicityVSAvoidmechanical damage

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The housing member serves as a mediator that absorbs and distributes the mechanical load. The suction head contacts the housing member's outer surface, and the housing member's recess structure transmits the suction force to the electronic component in a controlled manner, preventing direct contact damage while maintaining operational simplicity.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The housing member provides beforehand cushioning by being positioned between the suction head and the electronic component. Its structural design with a recess for housing the component and an outer surface for contact creates a protective interface that cushions against excessive load before it reaches the electronic component.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

3Productivity

If suction head is positioned closer to electronic component, then suction efficiency is improved, but risk of damage increases

Engineering Contradiction:

Improvesuction efficiencyVSAvoidcomponent damage risk

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The housing member enables the suction head to be positioned close to the electronic component for efficient suction while preventing damage. The housing member's recess structure allows close proximity positioning, and its outer surface acts as a protective intermediary that distributes the suction load, eliminating the trade-off between efficiency and safety.

Inventive Principle:

Principle #24Intermediary (Mediator)

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

Enables the suppression of damage to electronic components during suction through straightforward control mechanisms, ensuring effective and safe handling.

Implementation Method 1

a suction control unit that causes suction of the electronic component to the suction head when the suction head is located at the first position

Methodology Applied

Scientific EffectSuction: Suction

Data Source

PatentUS20240063049A1Suction device, suction unit, suction method, and computer-readable recording medium

Publication Date: 2024.02.22 SHINKAWA CO LTD

AI summary

A suction device, a suction unit, a suction method, and a computer-readable recording medium are provided. The suction device according to the present invention includes: a suction head; a movement control unit that causes the suction head to move between a first position for suction of an electronic component housed in a recess of a housing member and a second position further separated from the electronic component than the first position; a suction control unit that causes suction of the electronic component to the suction head when the suction head is located at the first position. When located at the first position, the suction head has a contact portion that comes into contact with a first surface on an outer side of a region where the recess in the housing member is opened.