Circuit layer assembled with 3M adhesive

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45 Years of Circuit layer assembled with 3M adhesive Supply | YI YI

Based in Taiwan, Yi Yi Enterprise Co., Ltd., since 1974, is a Circuit layer assembled with 3M adhesive manufacturer. Every OEM or ODM finished product is fully assessed before delivery, and all of our materials and components are RoHS compliant.

Specialized in manufacturing membrane switch with super-abrasive finishing, as well as PCB board, graphic overlay, EL panel and circuit board, all materials and components are suitable for use in computers, instruments, electronics and electrical goods. FPC bending test, FPC auto drilling, FPC e-test, FPC SMT, CNC laser cutting, color scanner, SMT for membrane switch and printed circuit supply. Export 70% worldwide in US and Europe and the rest 30% in Taiwan.

YI YI has been offering customers high-quality membrane switch, EL panel & circuit board, both with advanced technology and 25 years of experience, YI YI ensures each customer's demands are met.

Circuit layer assembled with 3M adhesive

Membrane Switch 0120

A membrane s witch typically has 4 or more layers. The top layer of membrane switch is the graphic interface between the user and the machine. The another critical layer is a printed circuit. This can also be a flex circuit made of copper and polyimide material. The layers normally assembled using pressure-sensitive adhesives although inexpensive designs can be held together by other mechanical means such as a keyboard housing. Contact between two traces can be made through a printed shorting pad or through a metal dome that stands on legs.

Membrane switch. Waterproof keyboard, Waterproof keypad, waterproof membrane switch


  • Hospital
  • electric Massage chair
  • Emergency button
  • PH meter
  • Metal Detector
  • Weighing indicator
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