JP2002202734A5 - - Google Patents

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JP2002202734A5
JP2002202734A5 JP2000400280A JP2000400280A JP2002202734A5 JP 2002202734 A5 JP2002202734 A5 JP 2002202734A5 JP 2000400280 A JP2000400280 A JP 2000400280A JP 2000400280 A JP2000400280 A JP 2000400280A JP 2002202734 A5 JP2002202734 A5 JP 2002202734A5
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Prior art keywords
insulating film
forming
film
amorphous semiconductor
interlayer insulating
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JP2000400280A
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JP2002202734A (en
JP4789322B2 (en
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Priority claimed from JP2000400280A external-priority patent/JP4789322B2/en
Priority to JP2000400280A priority Critical patent/JP4789322B2/en
Priority to TW090129340A priority patent/TW525216B/en
Priority to MYPI20015500A priority patent/MY144716A/en
Priority to SG200400807-4A priority patent/SG144707A1/en
Priority to SG200502824-6A priority patent/SG155034A1/en
Priority to SG200400945-2A priority patent/SG147270A1/en
Priority to SG200400836-3A priority patent/SG132505A1/en
Priority to SG200107527A priority patent/SG125060A1/en
Priority to KR1020010078043A priority patent/KR100880437B1/en
Priority to CN 200810127926 priority patent/CN101604696B/en
Priority to US10/011,813 priority patent/US6953951B2/en
Priority to CNB011431571A priority patent/CN1279576C/en
Priority to CN201210110904.0A priority patent/CN102646685B/en
Publication of JP2002202734A publication Critical patent/JP2002202734A/en
Priority to US11/181,923 priority patent/US7459352B2/en
Priority to KR1020080009542A priority patent/KR100871891B1/en
Publication of JP2002202734A5 publication Critical patent/JP2002202734A5/ja
Priority to US12/323,724 priority patent/US8421135B2/en
Publication of JP4789322B2 publication Critical patent/JP4789322B2/en
Application granted granted Critical
Priority to US13/792,381 priority patent/US9059216B2/en
Priority to US14/739,159 priority patent/US9666601B2/en
Priority to US15/607,863 priority patent/US10665610B2/en
Priority to US16/881,054 priority patent/US20200286925A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【特許請求の範囲】
【請求項1】
絶縁表面を有する基板上に形成されたゲート電極と、
前記絶縁表面を有する基板上に形成されたソース配線と、
前記ゲート電極及び前記ソース配線上に形成された絶縁膜と、
前記絶縁膜上に形成された第1の非晶質半導体膜と、
前記第1の非晶質半導体膜上に形成されたn型を付与する不純物元素を含んだ第2の非晶質半導体膜を有する薄膜トランジスタを画素部の薄膜トランジスタに用いる半導体装置において、
前記第2の非晶質半導体膜上に形成された第1の層間絶縁膜と、
前記第1の層間絶縁膜上に形成された第2の層間絶縁膜と、
前記ソース配線及び前記画素部の薄膜トランジスタを電気的に接続する金属配線と、
前記画素部の薄膜トランジスタ及び保持容量を電気的に接続する透明電極と、
前記ソース配線表面に形成された金属被膜と、
前記ソース配線またはゲート配線と電気的に接続する端子部と、
前記端子部表面に形成された金属被膜を有することを特徴とする半導体装置。
【請求項2】
絶縁表面上に形成されたゲート電極と、
前記絶縁表面上に形成されたソース配線と、
前記ゲート電極及び前記ソース配線上に形成された絶縁膜と、
前記絶縁膜上に形成された第1の非晶質半導体膜と、
前記第1の非晶質半導体膜上に形成されたn型を付与する不純物元素を含んだ第2の非晶質半導体膜を有する薄膜トランジスタを画素部の薄膜トランジスタに用いる半導体装置において、
前記第2の非晶質半導体膜上に形成された第1の層間絶縁膜と、
前記第1の層間絶縁膜上に形成された第2の層間絶縁膜と、
前記ソース配線、前記画素部の薄膜トランジスタを電気的に接続する金属配線と、
前記画素部の薄膜トランジスタと保持容量を電気的に接続する金属配線と、
金属からなる画素電極と、
前記ソース配線表面に形成された金属被膜と、
前記ソース配線またはゲート配線と電気的に接続する端子部と、
前記端子部表面に形成された金属被膜を有することを特徴とする半導体装置。
【請求項3】
請求項1または請求項2において、前記金属被膜はメッキ法により形成されたことを特徴とする半導体装置。
【請求項4】
請求項1乃至請求項3のいずれか一項において、前記金属被膜は、Cu、Ag、Au、Cr、Fe、Ni、またはPtから選ばれた一種、または複数種を主成分とする金属被膜であることを特徴とする半導体装置。
【請求項5】
請求項1乃至請求項4のいずれか一項において、前記端子部と前記画素部のソース配線は同時にメッキ処理されたものであることを特徴とする半導体装置。
【請求項6】
絶縁表面上にソース配線とゲート電極と端子部を形成する第1の工程と、
前記ソース配線表面と前記端子部表面に金属被膜を形成する第2の工程と、
前記金属被膜及び前記ゲート電極上に絶縁膜を形成する第3の工程と、
前記絶縁膜上に第1の非晶質半導体膜を形成する第4の工程と、
前記第1の非晶質半導体膜上にn型を付与する不純物元素を含む第2の非晶質半導体膜を形成する第5の工程と、
前記第1の非晶質半導体膜及び前記第2の非晶質半導体膜をエッチングして保持容量、活性層を形成する第6の工程と、
前記第2の非晶質半導体膜の一部をエッチングしてソース領域とドレイン領域を形成する第7の工程と、
前記第2の非晶質半導体膜上に第1の層間絶縁膜を形成する第の工程と、
前記第1の層間絶縁膜上に第2の層間絶縁膜を形成する第の工程と、
前記絶縁膜と前記第1の層間絶縁膜と前記第2の層間絶縁膜をエッチングしてコンタクトホールを形成する第10の工程と、
前記第2の層間絶縁膜上に透明電極からなる画素電極を形成する第11の工程と、
前記ソース配線及び前記ソース領域または前記ドレイン領域の一方を電気的に接続する第1の金属配線と、前記画素電極と前記ソース領域または前記ドレイン領域の他方を電気的に接続する第2の金属配線と、前記保持容量と前記画素電極を電気的に接続する第3の金属配線を形成する12の工程とを有することを特徴とする半導体装置の作製方法。
【請求項7】
絶縁表面上にソース配線とゲート電極と端子部を形成する第1の工程と、
前記ソース配線表面と前記端子部表面にメッキ法により金属被膜を形成する第2の工程と、
前記金属被膜及び前記ゲート電極上に絶縁膜を形成する第3の工程と、
前記絶縁膜上に第1の非晶質半導体膜を形成する第4の工程と、
前記第1の非晶質半導体膜上にn型を付与する不純物元素を含む第2の非晶質半導体膜を形成する第5の工程と、
前記第1の非晶質半導体膜及び前記第2の非晶質半導体膜をエッチングして保持容量、活性層を形成する第6の工程と、
前記第2の非晶質半導体膜の一部をエッチングしてソース領域とドレイン領域を形成する第7の工程と、
前記第2の非晶質半導体膜上に第1の層間絶縁膜を形成する第の工程と、
前記第1の層間絶縁膜上に第2の層間絶縁膜を形成する第の工程と、
前記絶縁膜と前記第1の層間絶縁膜と前記第2の層間絶縁膜をエッチングしてコンタクトホールを形成する第10の工程と、
前記第2の層間絶縁膜上に前記ソース配線と前記ソース領域または前記ドレイン領域の一方を電気的に接続する金属配線と、前記ソース領域または前記ドレイン領域の他方と前記保持容量を電気的に接続する金属からなる画素電極を形成する11の工程とを有することを特徴とする半導体装置の作製方法。
【請求項8】
絶縁表面上にソース配線とゲート電極と端子部を形成する第1の工程と、
前記ソース配線上と前記ゲート電極上と前記端子部上に絶縁膜を形成する第2の工程と、
前記絶縁膜上に第1の非晶質半導体膜を形成する第3の工程と、
前記第1の非晶質半導体膜上にn型を付与する不純物元素を含む第2の非晶質半導体膜を形成する第4の工程と、
前記第1の非晶質半導体膜及び前記第2の非晶質半導体膜をエッチングして保持容量、活性層を形成する第5の工程と、
前記第2の非晶質半導体膜の一部をエッチングしてソース領域とドレイン領域を形成する第6の工程と、
前記第2の非晶質半導体膜上に第1の層間絶縁膜を形成する第の工程と、
前記第1の層間絶縁膜上に第2の層間絶縁膜を形成する第の工程と、
前記絶縁膜と前記第1の層間絶縁膜と前記第2の層間絶縁膜をエッチングしてコンタクトホールを形成する第の工程と、
前記ソース配線表面と前記端子部表面にメッキ法により金属被膜を形成する第10の工程と、
前記第2の層間絶縁膜上に透明電極からなる画素電極を形成する第11工程と、
前記ソース配線と前記ソース領域または前記ドレイン領域の一方を電気的に接続する第1の金属配線と、前記画素電極と前記ソース領域または前記ドレイン領域の他方を電気的に接続する第2の金属配線と、前記保持容量と前記画素電極を電気的に接続する第3の金属配線を形成する第12の工程とを有することを特徴とする半導体装置の作製方法。
【請求項9】
絶縁表面上にソース配線とゲート電極と端子部を形成する第1の工程と、
前記ソース配線表面と前記端子部表面にメッキ法により金属被膜を形成する第2の工程と、
前記金属被膜及び前記ゲート電極上に絶縁膜を形成する第3の工程と、
前記絶縁膜上に非晶質半導体膜を形成する第4の工程と、
前記非晶質半導体にソース領域とドレイン領域を形成する第5の工程と、
前記非晶質半導体上に第1の層間絶縁膜を形成する第6の工程と、
前記第1の層間絶縁膜上に第2の層間絶縁膜を形成する第7の工程と、
前記第2の層間絶縁膜上に透明電極からなる画素電極を形成する第8の工程と、
前記絶縁膜と前記第1の層間絶縁膜と前記第2の層間絶縁膜をエッチングしてコンタクトホールを形成する第9の工程と、
前記第2の層間絶縁膜上に前記ソース配線と前記ソース領域または前記ドレイン領域の一方を電気的に接続する金属配線と、前記保持容量と前記ソース領域または前記ドレイン領域の他方を電気的に接続する金属からなる画素電極を形成する第10の工程とを有することを特徴とする半導体装置の作製方法。
【請求項10】
請求項6乃至9のいずれか一項において、前記ソース配線表面と前記端子部表面に金属被膜を形成する工程は、同時にメッキ処理することを特徴とする半導体装置の作製方法。
[Claims]
[Claim 1]
A gate electrode formed on a substrate having an insulating surface and
With the source wiring formed on the substrate having the insulating surface,
An insulating film formed on the gate electrode and the source wiring,
The first amorphous semiconductor film formed on the insulating film and
In a semiconductor device that uses a thin film transistor having a second amorphous semiconductor film formed on the first amorphous semiconductor film and containing an impurity element that imparts an n-type as a thin film transistor of a pixel portion.
The first interlayer insulating film formed on the second amorphous semiconductor film and
With the second interlayer insulating film formed on the first interlayer insulating film,
A metal wiring that electrically connects the source wiring and the thin film transistor of the pixel portion,
A transparent electrode that electrically connects the thin film transistor and the holding capacity of the pixel portion,
The metal coating formed on the surface of the source wiring and
Terminals that are electrically connected to the source wiring or gate wiring,
A semiconductor device having a metal film formed on the surface of the terminal portion.
2.
With the gate electrode formed on the insulating surface,
With the source wiring formed on the insulating surface,
An insulating film formed on the gate electrode and the source wiring,
The first amorphous semiconductor film formed on the insulating film and
In a semiconductor device that uses a thin film transistor having a second amorphous semiconductor film formed on the first amorphous semiconductor film and containing an impurity element that imparts an n-type as a thin film transistor of a pixel portion.
The first interlayer insulating film formed on the second amorphous semiconductor film and
With the second interlayer insulating film formed on the first interlayer insulating film,
The source wiring, the metal wiring that electrically connects the thin film transistor of the pixel portion, and
A metal wiring that electrically connects the thin film transistor of the pixel portion and the holding capacity,
Pixel electrodes made of metal and
The metal coating formed on the surface of the source wiring and
Terminals that are electrically connected to the source wiring or gate wiring,
A semiconductor device having a metal film formed on the surface of the terminal portion.
3.
The semiconductor device according to claim 1 or 2 , wherein the metal coating is formed by a plating method.
4.
In any one of claims 1 to 3, the metal coating is a metal coating containing one or more selected from Cu, Ag, Au, Cr, Fe, Ni, or Pt as a main component. A semiconductor device characterized by being present.
5.
The semiconductor device according to any one of claims 1 to 4 , wherein the source wiring of the terminal portion and the pixel portion is plated at the same time.
6.
The first step of forming the source wiring, the gate electrode, and the terminal part on the insulating surface,
A second step of forming a metal film on the surface of the source wiring and the surface of the terminal portion,
A third step of forming an insulating film on the metal film and the gate electrode, and
A fourth step of forming the first amorphous semiconductor film on the insulating film, and
A fifth step of forming a second amorphous semiconductor film containing an impurity element that imparts an n-type on the first amorphous semiconductor film, and a fifth step.
A sixth step of etching the first amorphous semiconductor film and the second amorphous semiconductor film to form a holding capacity and an active layer.
A seventh step of etching a part of the second amorphous semiconductor film to form a source region and a drain region, and
The eighth step of forming the first interlayer insulating film on the second amorphous semiconductor film, and
A ninth step of forming a second interlayer insulating film on the first interlayer insulating film, and
A tenth step of etching the insulating film, the first interlayer insulating film, and the second interlayer insulating film to form a contact hole.
The eleventh step of forming a pixel electrode made of a transparent electrode on the second interlayer insulating film, and
A first metal wiring that electrically connects the source wiring and one of the source region or the drain region, and a second metal wiring that electrically connects the pixel electrode and the other of the source region or the drain region. A method for manufacturing a semiconductor device, which comprises a twelfth step of forming a third metal wiring for electrically connecting the holding capacity and the pixel electrode.
7.
The first step of forming the source wiring, the gate electrode, and the terminal part on the insulating surface,
A second step of forming a metal film on the surface of the source wiring and the surface of the terminal portion by a plating method, and
A third step of forming an insulating film on the metal film and the gate electrode, and
A fourth step of forming the first amorphous semiconductor film on the insulating film, and
A fifth step of forming a second amorphous semiconductor film containing an impurity element that imparts an n-type on the first amorphous semiconductor film, and a fifth step.
A sixth step of etching the first amorphous semiconductor film and the second amorphous semiconductor film to form a holding capacity and an active layer.
A seventh step of etching a part of the second amorphous semiconductor film to form a source region and a drain region, and
The eighth step of forming the first interlayer insulating film on the second amorphous semiconductor film, and
A ninth step of forming a second interlayer insulating film on the first interlayer insulating film, and
A tenth step of etching the insulating film, the first interlayer insulating film, and the second interlayer insulating film to form a contact hole.
A metal wiring that electrically connects the source wiring and one of the source region or the drain region, and the other of the source region or the drain region and the holding capacity are electrically connected on the second interlayer insulating film. A method for manufacturing a semiconductor device, which comprises an eleventh step of forming a pixel electrode made of a metal.
8.
The first step of forming the source wiring, the gate electrode, and the terminal part on the insulating surface,
A second step of forming an insulating film on the said and the source wiring on the gate electrode and the terminal portion,
A third step of forming the first amorphous semiconductor film on the insulating film, and
A fourth step of forming a second amorphous semiconductor film containing an impurity element that imparts an n-type on the first amorphous semiconductor film, and a fourth step.
A fifth step of etching the first amorphous semiconductor film and the second amorphous semiconductor film to form a holding capacity and an active layer.
A sixth step of etching a part of the second amorphous semiconductor film to form a source region and a drain region, and
A seventh step of forming a first interlayer insulating film on the second amorphous semiconductor film, and
The eighth step of forming the second interlayer insulating film on the first interlayer insulating film, and
A ninth step of etching the insulating film, the first interlayer insulating film, and the second interlayer insulating film to form a contact hole.
A tenth step of forming a metal film on the surface of the source wiring and the surface of the terminal portion by a plating method, and
An eleventh step of forming the pixel electrode made of a transparent electrode on the second interlayer insulating film,
A first metal wiring that electrically connects the source wiring and one of the source region or the drain region, and a second metal wiring that electrically connects the pixel electrode and the other of the source region or the drain region. When the method for manufacturing a semiconductor device, characterized in that it comprises a twelfth step that form a third metal wiring that electrically connects the pixel electrode and the storage capacitor.
9.
The first step of forming the source wiring, the gate electrode, and the terminal part on the insulating surface,
A second step of forming a metal film on the surface of the source wiring and the surface of the terminal portion by a plating method, and
A third step of forming an insulating film on said metal film and said gate electrode,
A fourth step of forming an amorphous semiconductor film on the insulating film, and
A fifth step of forming a source region and a drain region on the amorphous semiconductor,
A sixth step of forming the first interlayer insulating film on the amorphous semiconductor, and
A seventh step of forming a second interlayer insulating film on the first interlayer insulating film, and
A step of eighth forming a pixel electrode made of a transparent electrode on the second interlayer insulating film,
A ninth step of etching the insulating film, the first interlayer insulating film, and the second interlayer insulating film to form a contact hole.
A metal wiring that electrically connects the source wiring and one of the source region or the drain region on the second interlayer insulating film, and the holding capacity and the other of the source region or the drain region are electrically connected. A method for manufacturing a semiconductor device, which comprises a tenth step of forming a pixel electrode made of a metal.
10.
The method for manufacturing a semiconductor device according to any one of claims 6 to 9, wherein the step of forming a metal film on the surface of the source wiring and the surface of the terminal portion is simultaneously plated.

JP2000400280A 2000-12-11 2000-12-28 Semiconductor device and manufacturing method thereof Expired - Fee Related JP4789322B2 (en)

Priority Applications (20)

Application Number Priority Date Filing Date Title
JP2000400280A JP4789322B2 (en) 2000-12-28 2000-12-28 Semiconductor device and manufacturing method thereof
TW090129340A TW525216B (en) 2000-12-11 2001-11-27 Semiconductor device, and manufacturing method thereof
MYPI20015500A MY144716A (en) 2000-12-11 2001-12-03 Semiconductor device, and manufacturing method thereof
SG200400807-4A SG144707A1 (en) 2000-12-11 2001-12-05 Semiconductor device, and manufacturing method thereof
SG200502824-6A SG155034A1 (en) 2000-12-11 2001-12-05 Semiconductor device, and manufacturing method thereof
SG200400945-2A SG147270A1 (en) 2000-12-11 2001-12-05 Semiconductor device, and manufacturing method thereof
SG200400836-3A SG132505A1 (en) 2000-12-11 2001-12-05 Semiconductor device, and manufacturing method thereof
SG200107527A SG125060A1 (en) 2000-12-11 2001-12-05 Semiconductor device, and manufacturing method thereof
CNB011431571A CN1279576C (en) 2000-12-11 2001-12-11 Semiconductor equipment and making method thereof
CN201210110904.0A CN102646685B (en) 2000-12-11 2001-12-11 Semiconductor device, and manufacturing method thereof
CN 200810127926 CN101604696B (en) 2000-12-11 2001-12-11 Semiconductor device, and manufacturing method thereof
US10/011,813 US6953951B2 (en) 2000-12-11 2001-12-11 Semiconductor device, and manufacturing method thereof
KR1020010078043A KR100880437B1 (en) 2000-12-11 2001-12-11 Semiconductor device, and manufacturing method thereof
US11/181,923 US7459352B2 (en) 2000-12-11 2005-07-15 Semiconductor device, and manufacturing method thereof
KR1020080009542A KR100871891B1 (en) 2000-12-11 2008-01-30 Display device and method of manufacturing the same
US12/323,724 US8421135B2 (en) 2000-12-11 2008-11-26 Semiconductor device, and manufacturing method thereof
US13/792,381 US9059216B2 (en) 2000-12-11 2013-03-11 Semiconductor device, and manufacturing method thereof
US14/739,159 US9666601B2 (en) 2000-12-11 2015-06-15 Semiconductor device, and manufacturing method thereof
US15/607,863 US10665610B2 (en) 2000-12-11 2017-05-30 Semiconductor device, and manufacturing method thereof
US16/881,054 US20200286925A1 (en) 2000-12-11 2020-05-22 Semiconductor device, and manufacturing method thereof

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JP2000400280A JP4789322B2 (en) 2000-12-28 2000-12-28 Semiconductor device and manufacturing method thereof

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JP2007315900A Division JP4850168B2 (en) 2007-12-06 2007-12-06 Semiconductor device

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JP2002202734A JP2002202734A (en) 2002-07-19
JP2002202734A5 true JP2002202734A5 (en) 2008-01-31
JP4789322B2 JP4789322B2 (en) 2011-10-12

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