Wafer level camera module with snap-in latch
AssigneeOmniVision Technologies, Inc.
InventorsKevin Ka Kei Leung, Wen Hua Lin
Life of this patent
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Abstract
An apparatus includes an image sensor module with a lens stack disposed on the image sensor module. A protective tube is disposed on the image sensor module and encloses the lens stack. The protective tube includes an outer wall having a snap-in latch element disposed thereon. A metal housing encloses the protective tube. The metal housing includes a housing foot and inner wall having an opposite snap-in latch element disposed thereon. The image sensor module is adapted to be secured between the housing foot of the metal housing and the protective tube when the opposite snap-in latch element of the metal housing is engaged with the snap-in latch element of the protective tube.
Claims22
An apparatus comprising:
- an image sensor module;
- a lens stack disposed on the image sensor module, the lens stack including a plurality of lenses, a plurality of glass wafers, and a plurality of spacers;
- a protective tube disposed on the image sensor module and enclosing the lens stack, the protective tube including an outer wall having a snap-in latch element disposed thereon;
- and
- a metal housing enclosing the protective tube, the metal housing including a housing foot and inner wall having an opposite snap-in latch element disposed thereon, wherein the image sensor module is adapted to be secured and aligned between the housing foot of the metal housing and the protective tube when the opposite snap-in latch element of the metal housing is engaged with the snap-in latch element of the protective tube, wherein the protective tube.
A method for assembly comprising:
- attaching a plurality of lens stacks onto a plurality of image sensor modules, wherein each one of the plurality of lens stacks include a plurality of lenses, a plurality of glass wafers, and a plurality of spacers;
- enclosing the plurality of lens stacks in a plurality of protective tubes, wherein each one of the protective tubes includes an outer wall having a snap-in latch element disposed thereon;
- enclosing the plurality of protective tubes in a plurality of metal housings, wherein each one of the metal housings includes a housing foot and an inner wall having an opposite snap-in latch element disposed thereon;
- and
- securing and aligning the image sensor modules between the housing feet of the plurality of metal housings and the plurality of protective tubes by engaging the opposite snap-in latch elements of the plurality of metal housings with the snap-in latch elements of the plurality of protective tubes, wherein the plurality of protective tubes engaged with the plurality of metal housing improve an electromagnetic compatibility (EMC) performance.
A method for assembly comprising:
- attaching a lens stack onto an image sensor module, the lens stack including a plurality of lenses, a plurality of glass wafers, and a plurality of spacers;
- enclosing the lens stack in a protective tube including an outer wall having a snap-in latch element disposed thereon;
- enclosing the protective tube in a metal housing having a housing foot and an inner wall having an opposite snap-in latch element disposed thereon;
- and
- engaging the snap-in latch element of the protective tube with the opposite snap-in latch element of the metal housing to secure and align the image sensor module between the housing foot of the metal housing and the protective tube, wherein the protective tube engaged with the metal housing improves an electromagnetic compatibility (EMC) performance.
Dependencies are inferred from the claim text.