JP4845790B2 - 半導体レーザ素子およびその製造方法 - Google Patents
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Description
図1は、本発明の第1実施形態による半導体レーザ素子の平面図である。図2は、図1に示した第1実施形態による半導体レーザ素子の1000−1000線に沿った断面図である。図3は、図1に示した第1実施形態による半導体レーザ素子の1500−1500線に沿った断面図である。図4は、図1に示した第1実施形態による半導体レーザ素子の2000−2000線に沿った断面図である。図5は、図1に示した第1実施形態による半導体レーザ素子の2500−2500線に沿った断面図である。図6は、図1に示した第1実施形態による半導体レーザ素子の発光層の構造を示した断面図である。まず、図1〜図6を参照して、第1実施形態による半導体レーザ素子の構造について説明する。
図16は、本発明の第2実施形態による半導体レーザ素子の平面図である。図17は、図16に示した第2実施形態による半導体レーザ素子の3000−3000線に沿った断面図である。図18は、図16に示した第2実施形態による半導体レーザ素子の3500−3500線に沿った断面図である。図19は、図16に示した第2実施形態による半導体レーザ素子の分割前の平面図である。図16〜図19を参照して、この第2実施形態では、上記第1実施形態と異なり、劈開面を形成するリッジ部9およびリッジ部9の下方の領域のみを半導体レーザ素子部50aの側端面から突出させて劈開面(共振器面61)を形成する例について説明する。第2実施形態のその他の構成は、上記第1実施形態と同様である。
図20は、本発明の第3実施形態による半導体レーザ素子の平面図である。図21は、図20に示した第3実施形態による半導体レーザ素子の4000−4000線に沿った断面図である。図22は、図20に示した第3実施形態による半導体レーザ素子の4500−4500線に沿った断面図である。図20〜図22を参照して、この第3実施形態では、上記第1〜第2実施形態と異なり、半導体レーザ素子部150の支持基板101側の表面にエッチングにより段差部150a(図21参照)が設けられた構造について説明する。なお、段差部150aは、本発明の「第1段差部」の一例である。
図24は、本発明の第4実施形態による半導体レーザ素子の平面図である。図25は、図24に示した第4実施形態による半導体レーザ素子の5000−5000線に沿った断面図である。図26は、図24に示した第4実施形態による半導体レーザ素子の5500−5500線に沿った断面図である。図24〜図26を参照して、この第4実施形態では、上記第3実施形態と異なり、支持基板201の半導体レーザ素子部250側の表面に段差部201aが設けられた構造について説明する。なお、段差部201aは、本発明の「第2段差部」の一例である。
14、102、202 半田層(接着層)
20 サファイア基板(成長用基板)
50、50a、150、250 半導体レーザ素子部
60、61、160、260 共振器面
70、71、170、270 空隙部
80、81、180、280 導波路
80a、81a、180a、280a 端部
150a 段差部(第1段差部)
201a 段差部(第2段差部)
Claims (9)
- 支持基板と、
第1の方向に延びる導波路の端部が設けられた一対の共振器面を有する半導体レーザ素子部と、
前記支持基板と前記半導体レーザ素子部とを接着する接着層とを備え、
前記接着層は、前記共振器面の近傍において、前記導波路の端部近傍の領域に形成された空隙部を有し、
前記共振器面の近傍では、前記支持基板と前記半導体レーザ素子部とが前記導波路の端部近傍の領域以外の領域に形成された前記接着層を介して接着されている、半導体レーザ素子。 - 前記空隙部の前記第1の方向と垂直な第2の方向の幅は、前記導波路の端部の前記第2の方向の幅よりも大きい、請求項1に記載の半導体レーザ素子。
- 前記半導体レーザ素子部は、窒化物系半導体層を含む、請求項1または2に記載の半導体レーザ素子。
- 前記半導体レーザ素子部の前記空隙部の近傍の表面には、第1段差部が設けられている、請求項1〜3のいずれか1項に記載の半導体レーザ素子。
- 前記支持基板の前記空隙部の近傍の表面には、第2段差部が設けられている、請求項1〜4のいずれか1項に記載の半導体レーザ素子。
- 支持基板と第1の方向に延びる導波路を有する半導体レーザ素子部とを、接着層を介して接着する工程と、
前記導波路の端部となる領域に一対の共振器面を形成する工程とを備え、
前記接着する工程は、
前記支持基板と前記半導体レーザ素子部との間の前記共振器面となる領域の近傍において、前記導波路の端部となる領域の近傍の領域に空隙部を有する前記接着層を形成する工程と、
前記共振器面となる領域の近傍の前記導波路の端部となる領域以外の領域において、前記支持基板と前記半導体レーザ素子部とを前記接着層を介して接着する工程とを含む、半導体レーザ素子の製造方法。 - 前記空隙部の前記第1の方向と垂直な第2の方向の幅は、前記導波路の端部の前記第2の方向の幅よりも大きい、請求項6に記載の半導体レーザ素子の製造方法。
- 前記空隙部を有する前記接着層を形成する工程は、前記接着層を、前記支持基板の表面上の前記空隙部となる領域以外の領域に形成することにより形成する工程を含む、請求項6または7に記載の半導体レーザ素子の製造方法。
- 成長用基板を用いて前記半導体レーザ素子部を形成する工程と、
前記接着する工程の後に前記成長用基板と前記半導体レーザ素子部とを剥離する工程とをさらに備える、請求項6〜8のいずれか1項に記載の半導体レーザ素子の製造方法。
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JP2007094738A JP4845790B2 (ja) | 2007-03-30 | 2007-03-30 | 半導体レーザ素子およびその製造方法 |
CN2008100869100A CN101276990B (zh) | 2007-03-30 | 2008-03-28 | 半导体激光元件及其制造方法 |
US12/058,729 US7822087B2 (en) | 2007-03-30 | 2008-03-30 | Semiconductor laser device and method of manufacturing the same |
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JP5507197B2 (ja) * | 2009-10-23 | 2014-05-28 | スタンレー電気株式会社 | 光半導体素子、光半導体素子の製造方法及び光半導体装置の製造方法 |
US8995492B2 (en) * | 2011-07-05 | 2015-03-31 | Nichia Corporation | Semiconductor laser element |
JP6139298B2 (ja) * | 2013-06-28 | 2017-05-31 | 東京エレクトロン株式会社 | Cu配線の形成方法 |
DE102015119146A1 (de) * | 2015-11-06 | 2017-05-11 | Osram Opto Semiconductors Gmbh | Halbleiterlaser und Verfahren zum Herstellen eines Halbleiterlasers sowie Wafer |
US20220415714A1 (en) * | 2019-06-26 | 2022-12-29 | Kyocera Corporation | Layered body and manufacturing method for layered body |
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JPH10215031A (ja) * | 1997-01-30 | 1998-08-11 | Hewlett Packard Co <Hp> | 半導体レーザ素子 |
JP3525061B2 (ja) * | 1998-09-25 | 2004-05-10 | 株式会社東芝 | 半導体発光素子の製造方法 |
JP2000183438A (ja) * | 1998-12-16 | 2000-06-30 | Mitsubishi Electric Corp | 半導体レーザ装置の製造方法 |
JP4251529B2 (ja) * | 2001-02-14 | 2009-04-08 | シャープ株式会社 | 窒化物半導体レーザ素子およびそれを用いた光学式情報再生装置 |
JP2002299739A (ja) * | 2001-04-02 | 2002-10-11 | Pioneer Electronic Corp | 窒化物半導体レーザ素子及びその製造方法 |
JP4504610B2 (ja) * | 2002-03-01 | 2010-07-14 | 株式会社日立製作所 | リッジ型半導体レーザ素子 |
JP2005142347A (ja) * | 2003-11-06 | 2005-06-02 | Sharp Corp | 半導体レーザ装置とその製造方法 |
JP3766085B2 (ja) | 2003-11-12 | 2006-04-12 | ローム株式会社 | 半導体レーザ |
CN1839524A (zh) * | 2003-12-05 | 2006-09-27 | 日本先锋公司 | 半导体激光装置的制造方法 |
JP4693547B2 (ja) * | 2004-08-24 | 2011-06-01 | 株式会社東芝 | 半導体基板、半導体素子、及び半導体発光素子 |
JP2006128558A (ja) * | 2004-11-01 | 2006-05-18 | Sony Corp | 半導体レーザ、半導体レーザの実装方法、半導体レーザ実装構造体および光ディスク装置 |
JP2006229171A (ja) * | 2005-02-21 | 2006-08-31 | Toshiba Corp | 窒化物半導体レーザ装置及びその製造方法 |
JP2007103460A (ja) * | 2005-09-30 | 2007-04-19 | Sanyo Electric Co Ltd | 半導体レーザ素子およびその製造方法 |
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US20080240187A1 (en) | 2008-10-02 |
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JP2008252030A (ja) | 2008-10-16 |
CN101276990B (zh) | 2012-02-01 |
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