# US 7,608,863 B2 · Submount assembly and method of preparing optical module

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- Number: US 7,608,863 B2
- Document ID: US7608863B2
- Status: Granted
- Kind: B2
- Application number: 10/940,993
- Filed: 2004-09-15
- Published: 2005-09-29
- Granted: 2009-10-27
- Earliest claimed: 2004-03-29
- Assignees: Fujikura Ltd.
- Inventors: Kenji Oda; Masato Takigahira; Kenichiro Asano
- Web page: https://patentgrep.com/patent/US7608863B2

## CPC

- H01S 5/02326: Arrangements for relative positioning of laser diodes and optical components, e.g. grooves in the mount to fix optical fibres or lenses
- Y10S 269/903: Work holder for electrical circuit assemblages or wiring systems
- Y10S 269/909: Work holder for specific work
- Y10T 29/49155: Manufacturing circuit on or in base
- H01S: DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The present invention relates to a submount on which at least one optical component is mounted. The submount has a mounted portion that is mounted onto a substrate or base, and a protruding portion that protrudes out from the substrate or the base when the mounted portion is mounted to the substrate or base. The gripped portion is formed to enable gripping thereof. Wiring, to enable active alignment, is provided to the gripped portion, and active alignment can be carried out by powering up the optical component mounted on the submount.

## Claims

### Claim 1

A submount assembly, comprising:
a submount on which an optical component is mounted; and
a gripping mechanism which engages the submount,
wherein the submount is moveable via movement of the gripping mechanism in a gripping state,
wherein the gripping mechanism is a clamp which grips a portion of top and portion of bottom of the submount; and
wherein when the submount is mounted on a base, a clearance space remains between the submount and the base, the base having a recess adjacent and between two side portions of the clamp to provide the clearance space.

### Claim 2 (depends on 1)

The submount assembly according to claim 1, wherein:
the submount comprises a mounted portion mounted on a base and a protruding portion protruding from the base; and
the gripping mechanism is a clamp which grips the protruding portion.

### Claim 3 (depends on 1)

The submount assembly according to claim 1, wherein:
the submount further comprises two projections protruding from opposite sides of the submount; and
the gripping mechanism is a clamp which grips at least one projection.

### Claim 4 (depends on 1)

The submount assembly according to claim 1, wherein
the gripping mechanism is a clamp which grips opposite sides of the submount.

### Claim 5 (depends on 1)

The submount assembly according to claim 1, wherein:
the submount further comprises wiring electrically linked to the optical component; and
the gripping mechanism further comprises at least one electrode, such that when the submount is engaged by the gripping mechanism, the at least one electrode contacts the wiring.

### Claim 6

A submount assembly, comprising:
a submount on which an optical component is mounted; and
a gripping mechanism which engages the submount,
wherein the submount is moveable via movement of the gripping mechanism in a gripping state
wherein the submount comprises a mounted portion mounted on a base and a protruding portion protruding from the base,
wherein the gripping mechanism is a clamp which grips the protruding portion,
wherein the submount further comprises wiring electrically linked to the optical component, and
wherein the gripping mechanism further comprises at least one electrode, such that when the submount is engaged by the gripping mechanism, the at least one electrode contacts the wiring.

### Claim 7

A submount assembly, comprising:
a submount on which an optical component is mounted; and
a gripping mechanism which engages the submount,
wherein the submount is moveable via movement of the gripping mechanism in a gripping state,
wherein the submount further comprises two projections protruding from opposite sides of the submount,
wherein the gripping mechanism is a clamp which grips at least one projection,
wherein the submount further comprises wiring electrically linked to the optical component, and
wherein the gripping mechanism further comprises at least one electrode, such that when the submount is engaged by the gripping mechanism, the at least one electrode contacts the wiring.

### Claim 8

A submount assembly, comprising:
a submount on which an optical component is mounted; and
a gripping mechanism which engages the submount,
wherein the submount is moveable via movement of the gripping mechanism in a gripping state,
wherein the gripping mechanism is a clamp which grips opposite sides of the submount,
wherein the submount further comprises wiring electrically linked to the optical component, and
wherein the gripping mechanism further comprises at least one electrode, such that when the submount is engaged by the gripping mechanism, the at least one electrode contacts the wiring.