JP2005064487A5 - - Google Patents

Download PDF

Info

Publication number
JP2005064487A5
JP2005064487A5 JP2004215709A JP2004215709A JP2005064487A5 JP 2005064487 A5 JP2005064487 A5 JP 2005064487A5 JP 2004215709 A JP2004215709 A JP 2004215709A JP 2004215709 A JP2004215709 A JP 2004215709A JP 2005064487 A5 JP2005064487 A5 JP 2005064487A5
Authority
JP
Japan
Prior art keywords
semiconductor film
crystal grains
crystalline semiconductor
aligned
laser beam
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
Application number
JP2004215709A
Other languages
Japanese (ja)
Other versions
JP4578877B2 (en
JP2005064487A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004215709A priority Critical patent/JP4578877B2/en
Priority claimed from JP2004215709A external-priority patent/JP4578877B2/en
Publication of JP2005064487A publication Critical patent/JP2005064487A/en
Publication of JP2005064487A5 publication Critical patent/JP2005064487A5/ja
Application granted granted Critical
Publication of JP4578877B2 publication Critical patent/JP4578877B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (15)

半導体膜にパルス発振型のレーザ光を照射することにより、格子状に整列したリッジ間に設けられ、且つ隣接間で配向性の揃った結晶粒を有する結晶性半導体膜と、
向性がランダムな結晶粒を有する結晶性半導体膜と、を有する
ことを特徴とする半導体装置。
By irradiating the semiconductor film with a pulse oscillation type laser beam , a crystalline semiconductor film having crystal grains provided between ridges arranged in a lattice shape and having a uniform orientation between adjacent ones;
Wherein a has a crystalline semiconductor film distribution tropism having random crystal grains, the.
半導体膜にパルス発振型のレーザ光を照射することにより、格子状に整列したリッジ間に設けられ、且つ隣接間で配向性の揃った結晶粒を有する結晶性半導体膜を用いた薄膜トランジスタと、
向性がランダムな結晶粒を有する結晶性半導体膜を用いた容量素子と、を有する
ことを特徴とする半導体装置。
By irradiating the semiconductor film with pulsed laser light, a thin film transistor using a crystalline semiconductor film having crystal grains that are provided between ridges aligned in a lattice shape and aligned in an adjacent manner,
Wherein a having, a capacitor element using the crystalline semiconductor film distribution tropism have random crystal grains.
半導体膜にパルス発振型のレーザ光を照射することにより、格子状に整列したリッジ間に設けられ、且つ隣接間で配向性の揃った結晶粒を有する結晶性半導体膜を用いた薄膜トランジスタと、
向性がランダムな結晶粒を有する結晶性半導体膜を用いた容量素子と、を有する画素部を含む
ことを特徴とする半導体装置。
By irradiating the semiconductor film with pulsed laser light, a thin film transistor using a crystalline semiconductor film having crystal grains that are provided between ridges aligned in a lattice shape and aligned in an adjacent manner,
A semiconductor device comprising a pixel portion having a capacitive element using the crystalline semiconductor film distribution tropism have random crystal grains.
請求項又はにおいて、
前記薄膜トランジスタのチャネル形成領域は、前記リッジを有さない
ことを特徴とする半導体装置。
In claim 2 or 3 ,
The channel formation region of the thin film transistor does not have the ridge.
請求項1乃至のいずれか一において、前記結晶粒の大きさは、前記半導体膜へ照射するパルスレーザの発振波長と同程度の間隔である
ことを特徴とする半導体装置。
The semiconductor device according to any one of claims 1 to 4 , wherein the size of the crystal grains is approximately equal to an oscillation wavelength of a pulsed laser applied to the semiconductor film.
非晶質半導体膜に結晶化を促進する金属元素を選択的に添加し、
前記非晶質半導体膜を加熱することにより結晶性半導体膜を形成し、
前記結晶性半導体膜にパルス発振型のレーザ光を照射することにより、格子状に整列し、
且つ隣接間で配向性が揃った結晶粒が形成されるリッジを、前記レーザ光の発振波長と同程度の間隔で整列するように形成し、
前記結晶性半導体膜を前記薄膜トランジスタのチャネル形成領域が前記配向性の揃った結晶粒からなるようにパターニングする
ことを特徴とする半導体装置の作製方法。
A metal element that promotes crystallization is selectively added to the amorphous semiconductor film,
A crystalline semiconductor film is formed by heating the amorphous semiconductor film,
By irradiating the crystalline semiconductor film with a pulse oscillation type laser beam, it is aligned in a lattice shape,
And forming ridges in which crystal grains having a uniform orientation between adjacent ones are formed so as to be aligned at intervals similar to the oscillation wavelength of the laser beam,
A method for manufacturing a semiconductor device, wherein the crystalline semiconductor film is patterned so that a channel formation region of the thin film transistor is formed of crystal grains having the same orientation.
非晶質半導体膜に結晶化を促進する金属元素を選択的に添加し、
前記非晶質半導体膜を加熱することにより結晶性半導体膜を形成し、
前記結晶性半導体膜にパルス発振型のレーザ光を照射することにより、格子状に整列し、
且つ隣接間で配向性が揃った結晶粒が形成されるリッジを、前記レーザ光の発振波長と同程度の間隔で整列するように形成し、
前記結晶性半導体膜を前記薄膜トランジスタのチャネル形成領域が前記配向性の揃った結晶粒からなり、且つ前記金属元素が添加されない半導体膜を有する容量素子を形成するようにパターニングする
ことを特徴とする半導体装置の作製方法。
A metal element that promotes crystallization is selectively added to the amorphous semiconductor film,
A crystalline semiconductor film is formed by heating the amorphous semiconductor film,
By irradiating the crystalline semiconductor film with a pulse oscillation type laser beam, it is aligned in a lattice shape,
And forming ridges in which crystal grains having a uniform orientation between adjacent ones are formed so as to be aligned at intervals similar to the oscillation wavelength of the laser beam,
A semiconductor characterized by patterning the crystalline semiconductor film so as to form a capacitor element having a semiconductor film in which a channel formation region of the thin film transistor is formed of crystal grains having the same orientation and to which the metal element is not added. Device fabrication method.
非晶質半導体膜にプラズマ処理を施し、
前記非晶質半導体膜に結晶化を促進する金属元素を選択的に添加し、
前記非晶質半導体膜を加熱することにより結晶性半導体膜を形成し、
前記結晶性半導体膜にパルス発振型のレーザ光を照射することにより、格子状に整列し、
且つ隣接間で配向性の揃った結晶粒が形成されるリッジを、前記レーザ光の発振波長と同程度の間隔で整列するように形成し、
前記結晶性半導体膜を前記薄膜トランジスタのチャネル形成領域が前記配向性の揃った結晶粒からなるようにパターニングする
ことを特徴とする半導体装置の作製方法。
Applying plasma treatment to the amorphous semiconductor film,
A metal element that promotes crystallization is selectively added to the amorphous semiconductor film;
A crystalline semiconductor film is formed by heating the amorphous semiconductor film,
By irradiating the crystalline semiconductor film with a pulse oscillation type laser beam, it is aligned in a lattice shape,
And forming ridges in which crystal grains having a uniform orientation between adjacent ones are formed so as to be aligned at intervals similar to the oscillation wavelength of the laser beam,
A method for manufacturing a semiconductor device, wherein the crystalline semiconductor film is patterned so that a channel formation region of the thin film transistor is formed of crystal grains having the same orientation.
非晶質半導体膜にプラズマ処理を施し、
前記非晶質半導体膜に結晶化を促進する金属元素を選択的に添加し、
前記非晶質半導体膜を加熱することにより結晶性半導体膜を形成し、
前記結晶性半導体膜にパルス発振型のレーザ光を照射することにより、格子状に整列し、
且つ隣接間で配向性の揃った結晶粒が形成されるリッジを、前記レーザ光の発振波長と同程度の間隔で整列するように形成し、
前記結晶性半導体膜を前記薄膜トランジスタのチャネル形成領域が前記配向性の揃った結晶粒からなり、且つ前記金属元素が添加されない半導体膜を有する容量素子を形成するようにパターニングする
ことを特徴とする半導体装置の作製方法。
Applying plasma treatment to the amorphous semiconductor film,
A metal element that promotes crystallization is selectively added to the amorphous semiconductor film;
A crystalline semiconductor film is formed by heating the amorphous semiconductor film,
By irradiating the crystalline semiconductor film with a pulse oscillation type laser beam, it is aligned in a lattice shape,
And forming ridges in which crystal grains having a uniform orientation between adjacent ones are formed so as to be aligned at intervals similar to the oscillation wavelength of the laser beam,
A semiconductor characterized by patterning the crystalline semiconductor film so as to form a capacitor element having a semiconductor film in which a channel formation region of the thin film transistor is formed of crystal grains having the same orientation and to which the metal element is not added. Device fabrication method.
請求項8又は9において、
希ガス元素、窒素およびアンモニアから選ばれた一種または複数種を主成分とする気体をプラズマ化した雰囲気中に、半導体膜を曝すことにより前記プラズマ処理を施す
ことを特徴とする半導体装置の作製方法。
Oite to claim 8 or 9,
A method for manufacturing a semiconductor device, wherein the plasma treatment is performed by exposing a semiconductor film in an atmosphere in which a gas mainly containing one or more kinds selected from a rare gas element, nitrogen, and ammonia is formed into a plasma .
請求項乃至10のいずれか一において
前記薄膜トランジスタのチャネル形成領域が前記配向性の揃った結晶粒からなり、且つ前記結晶粒の結晶粒界を有さないように前記結晶性半導体膜をパターニングする
ことを特徴とする半導体装置の作製方法。
In any one of claims 6 to 10 consists grains channel formation region of the thin film transistor is uniform the orientation, and patterning the crystalline semiconductor film such that it has no crystal grain boundary of the crystal grains A method for manufacturing a semiconductor device.
請求項乃至11のいずれか一において、
前記パターニングされた結晶性半導体膜上に導電膜を形成し、
前記導電膜上に有機材料を塗布し、
前記有機材料を露光することによりマスクを形成し、
前記マスクを用いて前記導電膜をエッチングすることによりゲート電極を形成し、前記ゲート電極は隣接する前記リッジ間に形成する
ことを特徴とする半導体装置の作製方法。
In any one of Claims 6 thru | or 11 ,
Forming a conductive film on the patterned crystalline semiconductor film;
An organic material is applied on the conductive film,
Forming a mask by exposing the organic material;
The method for manufacturing a semiconductor device, wherein a gate electrode is formed by etching the conductive layer using the mask, the gate electrode is formed between the ridges adjacent.
請求項12において、
前記導電膜をエッチングすることにより形成されたゲート電極の幅は、前記マスクの幅より細い
ことを特徴とする半導体装置の作製方法。
In claim 12 ,
A method for manufacturing a semiconductor device, wherein a width of a gate electrode formed by etching the conductive film is narrower than a width of the mask.
請求項乃至13のいずれか一において、スピンコーティング法、ディップ法、イオン注入法、又はスパッタリング法により前記非晶質半導体膜に結晶化を促進する金属元素を含む溶液を添加することを特徴とする半導体装置の作製方法。 In any one of claims 6 to 13, and wherein a spin coating method, a dipping method, an ion implantation method, or by a sputtering method adding a solution containing a metal element which promotes crystallization on the amorphous semiconductor film A method for manufacturing a semiconductor device. 請求項乃至14のいずれか一において、前記結晶化を促進する金属元素は、Niであることを特徴とする半導体装置の作製方法。 In any one of claims 6 to 14, the metal element for promoting the crystallization, a method for manufacturing a semiconductor device which is a Ni.
JP2004215709A 2003-07-31 2004-07-23 Semiconductor device and manufacturing method thereof Expired - Fee Related JP4578877B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004215709A JP4578877B2 (en) 2003-07-31 2004-07-23 Semiconductor device and manufacturing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003284437 2003-07-31
JP2004215709A JP4578877B2 (en) 2003-07-31 2004-07-23 Semiconductor device and manufacturing method thereof

Publications (3)

Publication Number Publication Date
JP2005064487A JP2005064487A (en) 2005-03-10
JP2005064487A5 true JP2005064487A5 (en) 2007-07-12
JP4578877B2 JP4578877B2 (en) 2010-11-10

Family

ID=34380267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004215709A Expired - Fee Related JP4578877B2 (en) 2003-07-31 2004-07-23 Semiconductor device and manufacturing method thereof

Country Status (1)

Country Link
JP (1) JP4578877B2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008135609A (en) * 2006-11-29 2008-06-12 Mitsubishi Electric Corp Semiconductor film and thin-film transistor
KR100982311B1 (en) 2008-05-26 2010-09-15 삼성모바일디스플레이주식회사 Thin film transistor, fabricating method for the same, and organic light emitting diode display device comprising the same
JP2010157583A (en) 2008-12-26 2010-07-15 Toshiba Corp Vertical diode and method for manufacturing same and semiconductor memory device
KR101041141B1 (en) 2009-03-03 2011-06-13 삼성모바일디스플레이주식회사 organic light emitting display device and the fabricating method of the same
KR101015849B1 (en) * 2009-03-03 2011-02-23 삼성모바일디스플레이주식회사 Thin film transistor, fabricating method of the thin film transistor, and organic lighting emitting diode display device comprising the same
KR101049801B1 (en) 2009-03-05 2011-07-15 삼성모바일디스플레이주식회사 Method for manufacturing polycrystalline silicon layer and atomic layer deposition apparatus used therein
KR101056428B1 (en) 2009-03-27 2011-08-11 삼성모바일디스플레이주식회사 Thin film transistor, manufacturing method thereof, and organic light emitting display device comprising the same
US8247317B2 (en) * 2009-09-16 2012-08-21 Applied Materials, Inc. Methods of solid phase recrystallization of thin film using pulse train annealing method
KR101094295B1 (en) 2009-11-13 2011-12-19 삼성모바일디스플레이주식회사 Fabricating method of polysilicon, Thin film transistor, and Organic light emitting display device
CN202661759U (en) * 2012-05-17 2013-01-09 北京京东方光电科技有限公司 Pixel structure, double-gate pixel structure and display device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002151410A (en) * 2000-08-22 2002-05-24 Sony Corp Method of manufacturing crystalline semiconductor material and semiconductor device
JP4316149B2 (en) * 2001-02-20 2009-08-19 シャープ株式会社 Thin film transistor manufacturing method

Similar Documents

Publication Publication Date Title
TWI433320B (en) Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the same
JP2005064487A5 (en)
JP4850411B2 (en) Thin film transistor manufacturing method
JP2005286330A (en) Thin-film transistor, thin-film transistor substrate, and their manufacturing methods
TW201248691A (en) Laser processing device
TWI352391B (en)
JP4169071B2 (en) Display device
JP2007134648A5 (en)
JP2009049143A5 (en)
US20060068507A1 (en) Methods of forming a material film, methods of forming a capacitor, and methods of forming a semiconductor memory device using the same
JP2014140005A (en) Thin film transistor and manufacturing method of the same
JP2005064486A5 (en)
TWI342072B (en)
WO2004066372A1 (en) Crystallized semiconductor device, method for producing same and crystallization apparatus
JP2009016667A (en) Thin film semiconductor device, method of manufacturing the same, and display device
JP5084241B2 (en) Polycrystalline silicon layer, method for producing polycrystalline silicon layer, and flat panel display device
JP2009246235A (en) Method of manufacturing semiconductor substrate, semiconductor substrate, and display device
JP2005005381A (en) Method of manufacturing crystalline semiconductor material and semiconductor device
US20060172469A1 (en) Method of fabricating a polycrystalline silicon thin film transistor
JP2006237042A (en) Laser annealing apparatus, method of manufacturing semiconductor thin-film employing the same, and thin-film transistor
JP2007281465A (en) Method of forming polycrystalline film
JP2005064488A5 (en)
JP2003318108A5 (en)
JP2003163165A5 (en)
JP2001352073A5 (en)