LOCA or OCA Bonding?
We rely on two proven bonding techniques for optical bonding. Liquid bonding, also called LOCA, is used to bond rigid surfaces. Sheet adhesive lamination, known as OCA, can also be used to bond flexible surfaces. Both procedures are performed under clean room conditions to prevent air and dust entrapment.
The LOCA Bonding Process
Place touchscreen into device
Check cover glass for impurities
Set and bond liquid glue dots
The OCA Bonding Process
Laminate film adhesive on display
Clean components
Adhere decorative film to display
Our Optical Bonding Know-How
Hygiene and care have top priority in optical bonding. Therefore, the optical bonding process takes place under clean room conditions. Special climate and air technology, protective clothing and airlocks ensure consistently high quality.
Liquid bonding (LOCA) in particular also requires in-depth know-how and experience for the optimum casting geometry and adhesive quantity. Each new touch system or display unit requires an individually created casting program. A special technique is used to bond the components to be joined into a single unit.
In lamination (OCA), the challenge lies primarily in bubble-free bonding. The sheet adhesive is applied via rollers and all components are bonded together. Afterwards, possible air bubbles can be eliminated via an autoclave.
Your advantages with optical bonding
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