JPH0284360U - - Google Patents
Info
- Publication number
- JPH0284360U JPH0284360U JP16412088U JP16412088U JPH0284360U JP H0284360 U JPH0284360 U JP H0284360U JP 16412088 U JP16412088 U JP 16412088U JP 16412088 U JP16412088 U JP 16412088U JP H0284360 U JPH0284360 U JP H0284360U
- Authority
- JP
- Japan
- Prior art keywords
- laser diode
- lead portion
- supplies
- desired current
- photodiode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 1
Description
第１図は、本考案に係るレーザダイオードユニ
ツトの好適な実施例を示す全体概略図、第２図は
、第１図における―線断面図、第３図は、従
来のレーザダイオードユニツトの概略図である。
１……レーザダイオードユニツト、２……Ｐ―
Ｎ接合領域、３……基台（フオトダイオード）、
５……レーザダイオード、９……基板、１１……
リード部（第１のリード部）、１３……リード部
（第２のリード部）、２５……反射部、２６……
保護膜。
Fig. 1 is an overall schematic diagram showing a preferred embodiment of a laser diode unit according to the present invention, Fig. 2 is a sectional view taken along the line - - in Fig. 1, and Fig. 3 is a schematic diagram of a conventional laser diode unit. It is. 1...Laser diode unit, 2...P-
N junction region, 3...base (photodiode),
5...Laser diode, 9...Substrate, 11...
Lead part (first lead part), 13... Lead part (second lead part), 25... Reflective part, 26...
Protective film.
Claims (1)
が設けられるレーザダイオードユニツトであつて
、 前記サブマウント用基台の厚さ方向一側面には
、レーザダイオードと、当該レーザダイオードの
レーザ光を受光するフオトダイオードとが各々配
設され、 前記基板には、前記レーザダイオードに所望の
電流を供給する第１のリード部と、前記フオトダ
イオードから出力される電流を取り出す第２のリ
ード部とが設けられるとともに、 前記レーザダイオードから発せられるレーザ光
を前記フオトダイオードの受光面方向へ反射させ
る反射部が、前記フオトダイオードの配設位置に
対応させて設けられたことを特徴とするレーザダ
イオードユニツト。[Claims for Utility Model Registration] A laser diode unit in which a submount base is provided on one side in the thickness direction of a substrate, wherein a laser diode and a submount base are provided on one side in the thickness direction of the submount base. , and a photodiode that receives the laser light from the laser diode, and the substrate includes a first lead portion that supplies a desired current to the laser diode, and a first lead portion that supplies a desired current to the laser diode, and a first lead portion that supplies a desired current to the laser diode, and a first lead portion that supplies a desired current to the laser diode. a second lead portion for taking out the laser diode, and a reflecting portion for reflecting the laser light emitted from the laser diode toward the light receiving surface of the photodiode, corresponding to a position of the photodiode. A laser diode unit featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16412088U JPH0284360U (en) | 1988-12-19 | 1988-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16412088U JPH0284360U (en) | 1988-12-19 | 1988-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0284360U true JPH0284360U (en) | 1990-06-29 |
Family
ID=31449450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16412088U Pending JPH0284360U (en) | 1988-12-19 | 1988-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0284360U (en) |
-
1988
- 1988-12-19 JP JP16412088U patent/JPH0284360U/ja active Pending