IP Library Granted Patent US 7,091,469
Granted Patent B2
US 7,091,469 · App. 10/850,934 · Granted Aug 15, 2006

Packaging for optoelectronic devices

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Quick Facts
Patent No.
US 7,091,469
App. No.
10/850,934
Granted
Aug 15, 2006
Kind
B2
Abstract

An optoelectronic sensor is attached to an optically transparent substrate, such as glass, and encapsulated to form an optoelectronic device. An optical assembly can be mounted opposite the optoelectronic sensor. Filters and refractive index matching materials may be included between the optoelectronic sensor and the optically transparent substrate.

Claims (54)

1. An optoelectronic device comprising:

an optically transparent substrate having a first surface and a second surface substantially parallel to the first surface;

an optical sensor attached to the first surface of the optically transparent substrate;

a receptacle in the second surface opposite the position of the optical sensor;

an optical assembly in the receptacle; and

an encapsulant enclosing the optical sensor.

2. The optoelectronic device as claimed in claim 1 wherein the optical sensor is attached using balls of a material selected from the group of solder, gold, platinum, nickel, copper, a metal belonging to Group 1B of the periodic chart of elements, a metal from the transition metal groups, an alloy thereof, a mixture thereof, solder wettable alloys thereof, and a combination thereof.

3. The optoelectronic device as claimed in claim 1 further comprising:

other devices attached to the optically transparent substrate selected from the group of passive components, transistors, logic, memory, additional optical sensors, and combinations thereof.

4. The optoelectronic device as claimed in claim 1 further comprising:

a filter selected from the group of infrared, ultraviolet, color, and combinations thereof between the optical sensor and the optically transparent substrate.

5. The optoelectronic device as claimed in claim 1 wherein the optical sensor is attached in spaced relationship with the optically transparent substrate to form a space there between; and further comprising:

at least one of a refractive index matching gel, an edge sealant, and combinations thereof in the space.

6. An optoelectronic device comprising:

a glass substrate having a first surface and a second surface substantially parallel to the first surface;

an optical sensor attached to the glass substrate;

a receptacle in the second surface opposite the position of the optical sensor;

an optical assembly in the receptacle; and

an encapsulant enclosing the optical sensor.

7. The optoelectronic device as claimed in claim 6 wherein the optical sensor is attached using balls of a material selected from the group of solder, gold, platinum, nickel, copper, a metal belonging to Group 1B of the periodic chart of elements, a metal from the transition metal groups, an alloy thereof, a mixture thereof, solder wettable alloys thereof, and a combination thereof.

8. The optoelectronic device as claimed in claim 6 further comprising:

other devices attached to the glass substrate selected from the group of passive components, transistors, logic, memory, additional optical sensors, and combinations thereof.

9. The optoelectronic device as claimed in claim 6 further comprising:

a filter selected from the group of infrared, ultraviolet, color, and combinations thereof positioned between the optical sensor and the glass substrate.

10. The optoelectronic device as claimed in claim 6 wherein the optical sensor is attached in spaced relationship with the glass substrate to form a space; and further comprising;

at least one of a refractive index matching gel, an edge sealant, and combinations thereof in the space.

11. A method of packaging an optoelectronic device comprising:

providing an optically transparent substrate having a first surface and a second surface substantially parallel to the first surface;

attaching an optical sensor to the first surface of the optically transparent substrate;

forming a receptacle in the second surface opposite the position of the optical sensor;

attaching an optical assembly in the receptacle; and

encapsulating the optical sensor.

12. The method of packaging an optoelectronic device as claimed in claim 11 wherein attaching an optical sensor uses balls of a material selected from the group of solder, gold, platinum, nickel, copper, a metal belonging to Group 1B of the periodic chart of elements, a metal from the transition metal groups, an alloy thereof, a mixture thereof, solder wettable alloys thereof, and a combination thereof.

13. The method of packaging an optoelectronic device as claimed in claim 11 further comprising:

attaching other devices to the optically transparent substrate selected from the group of passive components, transistors, logic, memory, additional optical sensors, and combinations thereof.

14. The method of packaging an optoelectronic device as claimed in claim 11 further comprising:

attaching a filter selected from the group of infrared, ultraviolet, color, and combinations thereof between the optical sensor and the optically transparent substrate.

15. The method of packaging an optoelectronic device as claimed in claim 11 wherein:

attaching the optical sensor attaches the optical sensor in spaced relationship with the optically transparent substrate to form a space; and

further comprising:

enclosing the space using at least one of a refractive index matching gel, an edge sealant, and combinations thereof.

16. A method of packaging an optoelectronic device comprising:

providing a glass substrate having a first surface and a second surface substantially parallel to the first surface;

attaching an optical sensor to the first surface of the glass substrate;

forming a receptacle in the second surface opposite the position of the optical sensor;

attaching an optical assembly in the receptacle; and

encapsulating the optical sensor.

17. The method of packaging an optoelectronic device as claimed in claim 16 wherein attaching an optical sensor uses balls of a material selected from the group of solder, gold, platinum, nickel, copper, a metal belonging to Group 1B of the periodic chart of elements, a metal from the transition metal groups, an alloy thereof, a mixture thereof, solder wettable alloys thereof, and a combination thereof.

18. The method of packaging an optoelectronic device as claimed in claim 16 further comprising:

attaching other devices to the glass substrate selected from the group of passive components, transistors, logic, memory, additional optical sensors, and combinations thereof.

19. The method of packaging an optoelectronic device as claimed in claim 16 further comprising:

attaching a filter selected from the group of infrared, ultraviolet, color, and combinations thereof between the optical sensor and the glass substrate.

20. The method of packaging an optoelectronic device as claimed in claim 16 wherein attaching the optical sensor attaches the optical sensor in spaced relationship with the glass substrate to form a space; and further comprising;

enclosing the space using at least one of filling the space with a refractive index matching gel, an edge sealant, and combinations thereof.

Assignments (6)
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S NAME PREVIOUSLY RECORDED AT REEL: 038378 FRAME: 0400. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Sep 5, 2023
From: STATS CHIPPAC LTD.
To: STATS CHIPPAC PTE. LTD.
Reel/Frame 064806/0593 →
RELEASE OF SECURITY INTEREST Recorded Jun 16, 2020
From: CITICORP INTERNATIONAL LIMITED, AS COMMON SECURITY AGENT
To: STATS CHIPPAC, INC.; STATS CHIPPAC PTE. LTD. FORMERLY KNOWN AS STATS CHIPPAC LTD.
Reel/Frame 052950/0497 →
CHANGE OF NAME Recorded Apr 7, 2016
From: STATS CHIPPAC LTD.
To: STATS CHIPPAC PTE. LTE.
Reel/Frame 038378/0400 →
CHANGE OF NAME Recorded Aug 6, 2015
From: ST ASSEMBLY TEST SERVICES LTD.
To: STATS CHIPPAC LTD.
Reel/Frame 036286/0590 →
SECURITY INTEREST Recorded Aug 6, 2015
From: STATS CHIPPAC, INC.; STATS CHIPPAC LTD.
To: CITICORP INTERNATIONAL LIMITED, AS COMMON SECURITY AGENT
Reel/Frame 036288/0748 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 14, 2004
From: KOSSIVES, DEAN PAUL; RAMAKRISHNA, KAMBHAMPATI; LAW, EDWARD LAP ZAK; SAHAKIAN, DIANE; TESSIER, THEODORE G.; LING, JAMIN
To: ST ASSEMBLY TEST SERVICES LTD.
Reel/Frame 015250/0265 →