Method for reducing tilt of optical unit during manufacture of image sensor

US9184331B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9184331-B2
Application numberUS-201313766568-A
CountryUS
Kind codeB2
Filing dateFeb 13, 2013
Priority dateFeb 24, 2011
Publication dateNov 10, 2015
Grant dateNov 10, 2015

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Abstract

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A method for reducing the tilt of an optical unit during manufacture of an image sensor includes the steps of: providing a semimanufacture of the image sensor, carrying out a preheating process, carrying out an adhesive application process, carrying out an optical unit mounting process, and carrying out a packaging process. Due to the preheating process, the semimanufacture will be subjected to a stabilized process environment during the adhesive application process and the optical unit mounting process, so as for the optical unit to remain highly flat once attached to the semimanufacture. The method reduces the chances of tilt and crack of the optical unit and thereby contributes to a high yield rate.

First claim

Opening claim text (preview).

What is claimed is: 1. A method for reducing the tilt of an optical unit during manufacturing of an image sensor, comprising the following steps: providing a semimanufacture of the image sensor, which comprises a circuit substrate and an image sensor die, wherein the circuit substrate has a supporting surface and a bottom surface, a plurality of first conductive contacts are provided on the supporting surface, and the image sensor die comprises: a first surface attached to the su…

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What does patent US9184331B2 cover?
A method for reducing the tilt of an optical unit during manufacture of an image sensor includes the steps of: providing a semimanufacture of the image sensor, carrying out a preheating process, carrying out an adhesive application process, carrying out an optical unit mounting process, and carrying out a packaging process. Due to the preheating process, the semimanufacture will be subjected to…
Who is the assignee on this patent?
Kingpak Tech Inc
What technology area does this patent fall under?
Primary CPC classification H10F39/804. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).