JP2005116699A - 半導体レーザ - Google Patents
半導体レーザ Download PDFInfo
- Publication number
- JP2005116699A JP2005116699A JP2003347332A JP2003347332A JP2005116699A JP 2005116699 A JP2005116699 A JP 2005116699A JP 2003347332 A JP2003347332 A JP 2003347332A JP 2003347332 A JP2003347332 A JP 2003347332A JP 2005116699 A JP2005116699 A JP 2005116699A
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- Prior art keywords
- die pad
- resin
- lead frame
- semiconductor laser
- back surface
- 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.)
- Granted
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 52
- 229920005989 resin Polymers 0.000 claims abstract description 122
- 239000011347 resin Substances 0.000 claims abstract description 122
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 238000000465 moulding Methods 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/0232—Lead-frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45144—Gold (Au) as principal constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/0231—Stems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
Abstract
【解決手段】 板状のリードフレーム1から形成されたダイパッド15および複数のリード11〜14がモールド樹脂からなる樹脂部2により一体に保持され、サブマウント3を介してレーザチップ4がマウントされている。リードフレーム1のダイパッド15、および複数のリード11〜14の先端部はフォーミング加工が施されないで、樹脂部2がリードフレームの一部の表裏両面に設けられると共に、ダイパッド15の裏面の大部分は樹脂部2で被覆されないで露出し、かつ、ダイパッド15の側部に樹脂部2により表裏両面が覆われないで露出する位置決め用および/または放熱用のフィン16が形成されている。
【選択図】 図1
Description
2 樹脂部
3 サブマウント
4 レーザチップ
11〜14 リード
15 ダイパッド
16 フィン
Claims (5)
- 板状のリードフレームから形成されたダイパッドおよび複数のリードと、該ダイパッドおよび複数のリードを一体に保持するモールド樹脂からなる樹脂部と、前記ダイパッドの表面側にマウントされるレーザチップとを有し、前記リードフレームのダイパッドおよび複数のリード先端部は前記リードフレーム面と異なる方向にはフォーミング加工が施されないで、前記樹脂部が前記複数のリードおよび前記ダイパッドを一体に保持するために前記リードフレームの一部の表裏両面に設けられると共に、前記ダイパッド裏面の一部は前記樹脂部で被覆されないで露出し、かつ、前記ダイパッドの側部に前記樹脂部により表裏両面が覆われないで露出する位置決め用および/または放熱用のフィンが形成されてなる半導体レーザ。
- 前記ダイパッドの頂部裏面に凹部が形成され、該ダイパッドの表面に設けられる前記樹脂部が、前記ダイパッドの頂部を経て前記ダイパッド裏面の凹部内に食い込み、かつ、該凹部内に埋め込まれた樹脂と前記ダイパッド裏面の頂部側とがほぼ面一に形成されてなる請求項1記載の半導体レーザ。
- 前記樹脂部の表面側から側面にかけてのコーナ部に、C面またはR面の除去部が形成されてなる請求項1または2記載の半導体レーザ。
- 前記リードフレームの裏面において、前記樹脂部の面積が、該樹脂部により覆われないで露出するリードフレームの面積より小さくなるように、前記フィンおよび樹脂部が形成されてなる請求項1、2または3記載の半導体レーザ。
- 前記レーザチップの光の進行方向を中心軸として、前記フィンの最側端までの距離Aと、前記中心軸と前記樹脂部の最側端までの距離Bとの差、および樹脂部下端からダイパッド上端までの距離Dと前記樹脂部下端から該樹脂部上端までの距離Cとの差の和(A−B+D−C)が2mmを超え、かつ、前記フィンの一番大きい部分の幅が、5.6mmよりも小さくなるように前記フィンおよび樹脂部が形成されてなる請求項1ないし4のいずれか1項記載の半導体レーザ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003347332A JP4031748B2 (ja) | 2003-10-06 | 2003-10-06 | 半導体レーザ |
CNB2004101038888A CN100466403C (zh) | 2003-10-06 | 2004-09-24 | 半导体激光器 |
TW093129794A TWI339468B (en) | 2003-10-06 | 2004-10-01 | Semiconductor laser |
US10/956,035 US7428255B2 (en) | 2003-10-06 | 2004-10-04 | Semiconductor laser |
KR1020040079701A KR101002172B1 (ko) | 2003-10-06 | 2004-10-06 | 반도체 레이저 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003347332A JP4031748B2 (ja) | 2003-10-06 | 2003-10-06 | 半導体レーザ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005116699A true JP2005116699A (ja) | 2005-04-28 |
JP4031748B2 JP4031748B2 (ja) | 2008-01-09 |
Family
ID=34386403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003347332A Expired - Lifetime JP4031748B2 (ja) | 2003-10-06 | 2003-10-06 | 半導体レーザ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7428255B2 (ja) |
JP (1) | JP4031748B2 (ja) |
KR (1) | KR101002172B1 (ja) |
CN (1) | CN100466403C (ja) |
TW (1) | TWI339468B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005136171A (ja) * | 2003-10-30 | 2005-05-26 | Sankyo Seiki Mfg Co Ltd | 半導体レーザ装置および光ヘッド装置 |
JP2007012979A (ja) * | 2005-07-01 | 2007-01-18 | Mitsubishi Electric Corp | 半導体素子および半導体素子の製造方法 |
JP2009302431A (ja) * | 2008-06-17 | 2009-12-24 | Panasonic Corp | 光半導体装置用パッケージと製造方法および光半導体装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100576881B1 (ko) * | 2005-01-03 | 2006-05-10 | 삼성전기주식회사 | 반도체 레이저 다이오드장치 및 그 제조방법 |
JP2007005505A (ja) * | 2005-06-23 | 2007-01-11 | Matsushita Electric Ind Co Ltd | 半導体レーザ装置 |
JP2009200463A (ja) * | 2008-01-23 | 2009-09-03 | Panasonic Corp | 半導体装置 |
JP2010074142A (ja) * | 2008-08-20 | 2010-04-02 | Panasonic Corp | 半導体装置及びそれを用いた電子機器 |
JP5206399B2 (ja) * | 2008-12-25 | 2013-06-12 | 三菱電機株式会社 | レーザ装置及びその製造方法 |
JP2011077458A (ja) * | 2009-10-01 | 2011-04-14 | Panasonic Corp | レーザー装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0254263A (ja) | 1988-08-18 | 1990-02-23 | Konica Corp | ハロゲン化銀カラー写真感光材料用安定液および該感光材料の処理方法 |
JPH0523563U (ja) * | 1991-07-17 | 1993-03-26 | ソニー株式会社 | 半導体レーザ装置 |
JPH07335980A (ja) * | 1994-06-07 | 1995-12-22 | Fuji Electric Co Ltd | 半導体レーザ装置 |
JP3424344B2 (ja) * | 1994-09-01 | 2003-07-07 | ヤマハ株式会社 | 半導体装置 |
JP3082695B2 (ja) * | 1997-01-16 | 2000-08-28 | 日本電気株式会社 | 半導体レーザ装置、その製造方法 |
JP3186684B2 (ja) | 1997-12-29 | 2001-07-11 | ソニー株式会社 | 半導体レーザ装置 |
JPH11307871A (ja) | 1998-04-23 | 1999-11-05 | Nec Corp | 半導体レーザ装置 |
US6335548B1 (en) * | 1999-03-15 | 2002-01-01 | Gentex Corporation | Semiconductor radiation emitter package |
JP2000357839A (ja) | 1999-06-16 | 2000-12-26 | Sanyo Electric Co Ltd | レーザ装置 |
JP3461332B2 (ja) | 1999-09-10 | 2003-10-27 | 松下電器産業株式会社 | リードフレーム及びそれを用いた樹脂パッケージと光電子装置 |
KR100542336B1 (ko) * | 2000-07-17 | 2006-01-11 | 산요덴키가부시키가이샤 | 반도체 레이저장치 |
JP3806586B2 (ja) | 2000-07-26 | 2006-08-09 | 三洋電機株式会社 | 半導体レーザ装置 |
JP3915406B2 (ja) | 2000-12-27 | 2007-05-16 | 松下電器産業株式会社 | 半導体レーザステム |
JP2002359335A (ja) | 2001-05-31 | 2002-12-13 | Kawai Musical Instr Mfg Co Ltd | 半導体装置及びその製造方法 |
JP3607220B2 (ja) | 2001-06-06 | 2005-01-05 | 松下電器産業株式会社 | 半導体レーザ装置 |
JP3737769B2 (ja) * | 2002-03-28 | 2006-01-25 | 株式会社東芝 | 半導体レーザ装置 |
-
2003
- 2003-10-06 JP JP2003347332A patent/JP4031748B2/ja not_active Expired - Lifetime
-
2004
- 2004-09-24 CN CNB2004101038888A patent/CN100466403C/zh active Active
- 2004-10-01 TW TW093129794A patent/TWI339468B/zh not_active IP Right Cessation
- 2004-10-04 US US10/956,035 patent/US7428255B2/en active Active
- 2004-10-06 KR KR1020040079701A patent/KR101002172B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005136171A (ja) * | 2003-10-30 | 2005-05-26 | Sankyo Seiki Mfg Co Ltd | 半導体レーザ装置および光ヘッド装置 |
JP2007012979A (ja) * | 2005-07-01 | 2007-01-18 | Mitsubishi Electric Corp | 半導体素子および半導体素子の製造方法 |
JP4713250B2 (ja) * | 2005-07-01 | 2011-06-29 | 三菱電機株式会社 | 半導体素子および半導体素子の製造方法 |
JP2009302431A (ja) * | 2008-06-17 | 2009-12-24 | Panasonic Corp | 光半導体装置用パッケージと製造方法および光半導体装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20050033496A (ko) | 2005-04-12 |
JP4031748B2 (ja) | 2008-01-09 |
CN1619902A (zh) | 2005-05-25 |
CN100466403C (zh) | 2009-03-04 |
US7428255B2 (en) | 2008-09-23 |
KR101002172B1 (ko) | 2010-12-17 |
TW200515655A (en) | 2005-05-01 |
TWI339468B (en) | 2011-03-21 |
US20050074043A1 (en) | 2005-04-07 |
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