DE19648309A1 - Stark reflektierende Kontakte für Licht-emittierende Halbleiterbauelemente - Google Patents
Stark reflektierende Kontakte für Licht-emittierende HalbleiterbauelementeInfo
- Publication number
- DE19648309A1 DE19648309A1 DE19648309A DE19648309A DE19648309A1 DE 19648309 A1 DE19648309 A1 DE 19648309A1 DE 19648309 A DE19648309 A DE 19648309A DE 19648309 A DE19648309 A DE 19648309A DE 19648309 A1 DE19648309 A1 DE 19648309A1
- Authority
- DE
- Germany
- Prior art keywords
- zones
- reflective
- contact
- alloyed
- metal
- 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
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 18
- 238000002310 reflectometry Methods 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 2
- 241000974840 Ellipes Species 0.000 claims 1
- 239000010410 layer Substances 0.000 description 25
- 235000012431 wafers Nutrition 0.000 description 23
- 238000001465 metallisation Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910005703 Ge—Ag Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910007568 Zn—Ag Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000313 electron-beam-induced deposition Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
- H01L33/387—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape with a plurality of electrode regions in direct contact with the semiconductor body and being electrically interconnected by another electrode layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/40—Materials therefor
- H01L33/405—Reflective materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
Description
Claims (21)
einer reflektierenden Metallschicht (17, 19), die einen vorbestimmten Anteil entweder der oberen oder der unte ren Oberfläche oder von beiden Oberflächen des Licht emittierenden Halbleiterbauelements bedeckt; und
einer Mehrzahl von legierten Metall-Halbleiter-Zonen (21), die aus der reflektierenden Metallschicht und ent weder aus der oberen oder der unteren Oberfläche oder aus beiden Oberflächen des Licht-emittierenden Halblei terbauelements gebildet sind, wobei die legierten Me tall-Halbleiter-Zonen flächenmäßig nicht mehr als 10% der Gesamtfläche der reflektierenden Metallschicht und der legierten Metall-Halbleiter-Zonen einnehmen, und wobei die legierten Metall-Halbleiter-Zonen einen Ohm′schen Kontakt mit niedrigem Widerstand mit entweder der oberen oder der unteren Oberfläche oder mit beiden Oberflächen des Licht-emittierenden Halbleiterbauele ments (10) bilden.
eine reflektierende Metallschicht; und
eine Dotierungsmetallschicht.
Abscheiden einer reflektierenden Metallschicht (17, 19) auf entweder eine obere oder auf eine untere Oberfläche oder auf beide Oberflächen des Licht-emittierenden Halb leiterbauelements; und
Bilden einer Mehrzahl von legierten Zonen (21) aus den reflektierenden Metallschichten und der entweder oberen oder unteren Oberfläche oder beiden Oberflächen des Licht-emittierenden Halbleiterbauelements unter Verwen dung eines Laserstrahls, wobei die legierten Zonen flä chenmäßig nicht mehr als 10% der Fläche der reflektie renden Metallschicht und der legierten Zonen einnehmen.
wobei das transparente Substrat mit einer Mehrzahl von Kontaktzonen vor dem Wafer-Bonden gemustert worden ist,
wobei ein reflektierendes Metall (53) über dem gemuster ten transparenten Substrat nach dem Wafer-Bonden abge schieden worden ist, und
wobei Ohm′sche Kontakte (51) durch Legieren des reflek tierenden Metalls durch die gemusterten Kontaktzonen hindurch in das Licht-emittierende Halbleiterbauelement gebildet sind, wobei die Fläche der legierten Kontakt zonen kleiner als 10% der Gesamtfläche des reflektieren den Metalls und der Kontaktzonen ist.
Bilden zumindest eines ersten flachen transparenten Sub strats (55);
Mustern einer ersten Seite des transparenten Substrats mit einer Mehrzahl von Kontaktzonen (51);
Wafer-Bonden einer zweiten Seite des transparenten Sub strats an das Licht-emittierende Halbleiterbauelement (57);
Abscheiden einer reflektierenden Schicht über die erste Seite des transparenten Wafers; und
Bilden legierter Kontaktzonen (51) zwischen der reflek tierenden Schicht und dem Licht-emittierenden Halblei terbauelement durch die gemusterten Kontaktzonen hin durch, wobei die Fläche der Kontaktzonen kleiner als 10% der Gesamtfläche der Kontaktzonen und der reflektieren den Schicht ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/576,251 US5917202A (en) | 1995-12-21 | 1995-12-21 | Highly reflective contacts for light emitting semiconductor devices |
US08/576,251 | 1995-12-21 | ||
DE19655342 | 1996-11-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19648309A1 true DE19648309A1 (de) | 1997-07-03 |
DE19648309B4 DE19648309B4 (de) | 2007-10-18 |
Family
ID=24303600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19648309A Expired - Lifetime DE19648309B4 (de) | 1995-12-21 | 1996-11-21 | Stark reflektierende Kontakte für Licht-emittierende Halbleiterbauelemente |
Country Status (5)
Country | Link |
---|---|
US (1) | US5917202A (de) |
JP (1) | JPH09186365A (de) |
DE (1) | DE19648309B4 (de) |
GB (1) | GB2323208B (de) |
SG (1) | SG63673A1 (de) |
Cited By (10)
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DE10147887A1 (de) * | 2001-09-28 | 2003-04-30 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Halbleiterbauelement |
US6593160B2 (en) | 1999-05-24 | 2003-07-15 | Lumileds Lighting, U.S., Llc | Diffusion barrier for increased mirror reflectivity in reflective solderable contacts on high power led chip |
DE10244986A1 (de) * | 2002-09-26 | 2004-04-08 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Halbleiterbauelement |
US6900472B2 (en) | 1997-12-15 | 2005-05-31 | Lumileds Lighting U.S., Llc | Semiconductor light emitting device having a silver p-contact |
US6946685B1 (en) | 2000-08-31 | 2005-09-20 | Lumileds Lighting U.S., Llc | Light emitting semiconductor method and device |
US7057212B2 (en) | 2004-01-19 | 2006-06-06 | Samsung Electro-Mechanics Co., Ltd. | Flip chip nitride semiconductor light emitting diode |
DE102007003282A1 (de) * | 2007-01-23 | 2008-07-24 | Osram Opto Semiconductors Gmbh | Leuchtdiodenchip |
US7700966B2 (en) | 2006-02-16 | 2010-04-20 | Lg Electronics Inc. | Light emitting device having vertical structure and method for manufacturing the same |
DE102005031612B4 (de) * | 2004-07-12 | 2013-09-12 | Epistar Corp. | LED mit einem omnidirektionalen Reflektor und einer transparenten, leitenden Schicht und omnidirektionaler Reflektor für eine LED |
EP2315277A3 (de) * | 1998-07-28 | 2018-01-10 | Philips Lighting Holding B.V. | Vorrichtungen zur Ausgabe von Strahlung mit hoher Wirksamkeit |
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US6432278B2 (en) | 1997-03-26 | 2002-08-13 | The Institute Of Physical And Chemical Research | Method for controlling refractive index of silica glass |
US6784463B2 (en) * | 1997-06-03 | 2004-08-31 | Lumileds Lighting U.S., Llc | III-Phospide and III-Arsenide flip chip light-emitting devices |
WO1999005728A1 (en) | 1997-07-25 | 1999-02-04 | Nichia Chemical Industries, Ltd. | Nitride semiconductor device |
US6291839B1 (en) * | 1998-09-11 | 2001-09-18 | Lulileds Lighting, U.S. Llc | Light emitting device having a finely-patterned reflective contact |
JP3770014B2 (ja) | 1999-02-09 | 2006-04-26 | 日亜化学工業株式会社 | 窒化物半導体素子 |
EP1168539B1 (de) | 1999-03-04 | 2009-12-16 | Nichia Corporation | Nitridhalbleiterlaserelement |
TW502458B (en) | 1999-06-09 | 2002-09-11 | Toshiba Corp | Bonding type semiconductor substrate, semiconductor light emission element and manufacturing method thereof |
US6992334B1 (en) * | 1999-12-22 | 2006-01-31 | Lumileds Lighting U.S., Llc | Multi-layer highly reflective ohmic contacts for semiconductor devices |
CN1292494C (zh) * | 2000-04-26 | 2006-12-27 | 奥斯兰姆奥普托半导体有限责任公司 | 发光半导体元件及其制造方法 |
EP1277241B1 (de) * | 2000-04-26 | 2017-12-13 | OSRAM Opto Semiconductors GmbH | Lumineszenzdiodenchip auf der basis von gan |
DE10051465A1 (de) * | 2000-10-17 | 2002-05-02 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines Halbleiterbauelements auf GaN-Basis |
US6570186B1 (en) * | 2000-05-10 | 2003-05-27 | Toyoda Gosei Co., Ltd. | Light emitting device using group III nitride compound semiconductor |
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US6903379B2 (en) * | 2001-11-16 | 2005-06-07 | Gelcore Llc | GaN based LED lighting extraction efficiency using digital diffractive phase grating |
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US6649437B1 (en) * | 2002-08-20 | 2003-11-18 | United Epitaxy Company, Ltd. | Method of manufacturing high-power light emitting diodes |
US20040104395A1 (en) * | 2002-11-28 | 2004-06-03 | Shin-Etsu Handotai Co., Ltd. | Light-emitting device, method of fabricating the same, and OHMIC electrode structure for semiconductor device |
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- 1996-11-21 DE DE19648309A patent/DE19648309B4/de not_active Expired - Lifetime
- 1996-11-29 GB GB9624934A patent/GB2323208B/en not_active Expired - Fee Related
- 1996-12-20 JP JP34091096A patent/JPH09186365A/ja active Pending
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Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7262436B2 (en) | 1997-12-15 | 2007-08-28 | Philips Lumileds Lighting Company, Llc | III-nitride semiconductor light emitting device having a silver p-contact |
US6900472B2 (en) | 1997-12-15 | 2005-05-31 | Lumileds Lighting U.S., Llc | Semiconductor light emitting device having a silver p-contact |
EP2315277A3 (de) * | 1998-07-28 | 2018-01-10 | Philips Lighting Holding B.V. | Vorrichtungen zur Ausgabe von Strahlung mit hoher Wirksamkeit |
US6593160B2 (en) | 1999-05-24 | 2003-07-15 | Lumileds Lighting, U.S., Llc | Diffusion barrier for increased mirror reflectivity in reflective solderable contacts on high power led chip |
US6946685B1 (en) | 2000-08-31 | 2005-09-20 | Lumileds Lighting U.S., Llc | Light emitting semiconductor method and device |
DE10147887C2 (de) * | 2001-09-28 | 2003-10-23 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Halbleiterbauelement mit einem Kontakt, der eine Mehrzahl von voneinander beabstandeten Kontaktstellen umfaßt |
DE10147887A1 (de) * | 2001-09-28 | 2003-04-30 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Halbleiterbauelement |
US6828597B2 (en) | 2001-09-28 | 2004-12-07 | Osram Opto Semiconductors Gmbh | Radiation-emitting semiconductor component |
DE10244986A1 (de) * | 2002-09-26 | 2004-04-08 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Halbleiterbauelement |
DE10244986B4 (de) * | 2002-09-26 | 2008-02-07 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Halbleiterbauelement |
US7446341B2 (en) | 2002-09-26 | 2008-11-04 | Osram Gmbh | Radiation-emitting semiconductor element |
US7057212B2 (en) | 2004-01-19 | 2006-06-06 | Samsung Electro-Mechanics Co., Ltd. | Flip chip nitride semiconductor light emitting diode |
DE102005031612B4 (de) * | 2004-07-12 | 2013-09-12 | Epistar Corp. | LED mit einem omnidirektionalen Reflektor und einer transparenten, leitenden Schicht und omnidirektionaler Reflektor für eine LED |
EP1821347A3 (de) * | 2006-02-16 | 2010-05-19 | LG Electronics Inc. | Lichtemittierende Vorrichtung mit vertikaler Struktur und Verfahren zu ihrer Herstellung |
US7700966B2 (en) | 2006-02-16 | 2010-04-20 | Lg Electronics Inc. | Light emitting device having vertical structure and method for manufacturing the same |
US7868348B2 (en) | 2006-02-16 | 2011-01-11 | Lg Electronics Inc. | Light emitting device having vertical structure and method for manufacturing the same |
WO2008089728A3 (de) * | 2007-01-23 | 2008-11-06 | Osram Opto Semiconductors Gmbh | Leuchtdiodenchip mit metallischer spiegelschicht, durchkontaktierung, tunnelkontakt und ladungsträgerreservoir |
WO2008089728A2 (de) * | 2007-01-23 | 2008-07-31 | Osram Opto Semiconductors Gmbh | Leuchtdiodenchip mit metallischer spiegelschicht, durchkontaktierung, tunnelkontakt und ladungsträgerreservoir |
DE102007003282A1 (de) * | 2007-01-23 | 2008-07-24 | Osram Opto Semiconductors Gmbh | Leuchtdiodenchip |
DE102007003282B4 (de) | 2007-01-23 | 2023-12-21 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Leuchtdiodenchip |
Also Published As
Publication number | Publication date |
---|---|
JPH09186365A (ja) | 1997-07-15 |
DE19648309B4 (de) | 2007-10-18 |
GB9624934D0 (en) | 1997-01-15 |
GB2323208B (en) | 2000-07-26 |
GB2323208A (en) | 1998-09-16 |
SG63673A1 (en) | 1999-03-30 |
US5917202A (en) | 1999-06-29 |
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