Invention Grant
- Patent Title: Methods of attaching surfaces together by adhesives, and devices including surfaces attached together by adhesives
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Application No.: US15587687Application Date: 2017-05-05
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Publication No.: US10302863B2Publication Date: 2019-05-28
- Inventor: Guo Xiong Wu , Cris Calsena , James Eilertsen , Qichuan Yu , Tobias Senn , Han Nee Ng
- Applicant: ams Sensors Singapore Pte. Ltd.
- Applicant Address: SG Singapore
- Assignee: ams Sensors Singapore Pte. Ltd.
- Current Assignee: ams Sensors Singapore Pte. Ltd.
- Current Assignee Address: SG Singapore
- Agency: Fish & Richardson P.C.
- Main IPC: G02B6/13
- IPC: G02B6/13 ; G02B6/42 ; B29C65/48 ; G02B6/12 ; F16B11/00

Abstract:
The present disclosure describes methods of attaching surfaces together. In one aspect, a method includes depositing a first adhesive onto a first surface of a first item, the first adhesive forming a pattern that at least partially surrounds a region of the first surface where there is no first adhesive. A second adhesive is jetted onto the region of the first surface, wherein the second adhesive has a viscosity lower than a viscosity of the first adhesive. The first surface of the first item and a second surface of a second item are brought into contact with one another. The method also includes curing the first and second adhesives. While the methods can be particularly suitable for manufacturing optical light guide elements, the methods also can be used in other contexts and applications as well.
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