Antistatic Button with Segmented Plated and Insulated Resin Parts
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Solution Overview
Problem
Existing antistatic components either compromise durability and design or require complex manufacturing processes to prevent static electricity from entering electronic systems, and existing solutions either wear out easily or require additional installation steps.
Innovation Solution
An antistatic component with a push portion made of plating material and a switch contact made of insulating material, connected by an elastically-deformable portion, where dual injection molding is used to integrate these components, with the push portion plated and the switch contact remaining non-plated to prevent static electricity penetration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the button is plated for better appearance and durability, then appearance and durability are improved, but static electricity can be transmitted to the switch causing ESD damage
Solution Approach 1:
The button is divided into two distinct parts: a plated push portion for durability and appearance, and a non-plated insulating switch contact for static electricity isolation. This segmentation allows each part to have optimized properties for its specific function.
Solution Approach 2:
Different regions of the button component have different material properties - the push portion has conductive plating for durability while the switch contact region has non-conductive insulating material for static protection. Each local area is optimized for its specific requirement.
2Object-affected harmful factors
If an additional intermediate insulating member is installed between the plated button and switch, then static electricity penetration is prevented, but manufacturing complexity and process time increase
Solution Approach 1:
The insulating switch contact is merged with the plated button into a single integrated component. The button body and switch contact are formed as one piece through co-molding, eliminating the need for separate assembly steps and reducing manufacturing complexity.
Solution Approach 2:
The button component serves multiple functions simultaneously: it provides user input interface, maintains structural integrity, prevents static electricity transmission, and enables switch actuation - all in a single integrated part.
3Object-affected harmful factors
If the button is made entirely of insulating material to prevent conductivity, then static electricity transmission is blocked, but the button surface becomes vulnerable to wear and breakdown
Solution Approach 1:
The button is segmented into a plated push portion that contacts the user and requires durability, and a non-plated insulating switch contact that blocks static electricity. Each segment is material-optimized for its specific function.
Solution Approach 2:
The button structure implements local quality differentiation where only the necessary contact area (switch contact) is made of insulating material, while the user-facing push portion maintains plating for durability and appearance.
4Object-affected harmful factors
If separate insulating components are prepared and installed, then static protection is achieved, but production time and assembly steps increase
Solution Approach 1:
The insulating switch contact and conductive button body are combined into a single co-molded component, eliminating separate assembly operations and reducing production time while maintaining static protection functionality.
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 effectively shields static electricity while maintaining durability and design integrity, simplifying the manufacturing process and protecting internal systems from static damage, while also reducing production costs and improving productivity.
Implementation Method 1
an elastically-deformable connection portion formed integrally with the switch contact so as to connect the plurality of buttons to one another
Implementation Method 2
The push portion is exposed outward to be pushed and has a plating layer formed thereon
Implementation Method 3
the switch contact selectively operates a switch... The second resin may comprise an insulating material
Data Source
AI summary
The present invention relates to an antistatic component and a method of manufacturing the same. An antistatic component of the present invention comprises buttons each of which includes a push portion 11 or 11′ formed at one end of the button and made of a first resin and a switch contact 13 or 13′ formed at the other end of the button and made of a second resin; and an elastically-deformable connection portion 15 formed integrally with the switch contact 13 or 13′ so as to connect the plurality of buttons to one another. The push portion is exposed outward to be pushed and has a plating layer 12 or 12′ formed thereon, and the switch contact selectively operates a tact switch 4 or 4′. The first resin comprises a plating material and the second resin comprises a non-plating material. The switch contact and the connection portion, and the push portion are formed integrally with each other by means of dual injection molding. With the antistatic component and the method of manufacturing the same according to the present invention constructed as above, penetration of static electricity is prevented while the durability and appearance of the button are maintained. Thus, there are advantages in that the appearance of a part can be sufficiently decorated, an internal system can be effectively protected, and a process of manufacturing a part can be simplified, resulting in improved productivity.