Planarizing solution for planarizing low temperature polysilicon film panel
    52.
    发明专利
    Planarizing solution for planarizing low temperature polysilicon film panel 审中-公开
    用于平面化低温多晶硅膜的平面解决方案

    公开(公告)号:JP2008277715A

    公开(公告)日:2008-11-13

    申请号:JP2007129942

    申请日:2007-05-16

    Abstract: PROBLEM TO BE SOLVED: To reduce or essentially remove an upheaval or protrusion which generally extends upward from an almost plane surface of polysilicon film that is manufactured by low-temperature polysilicon silicon (LTPS) annealing of an amorphous silicon film deposited on a substrate.
    SOLUTION: The planarizing solution which is highly aqueous and strongly basic has a pH of 12 or more and contains water, at least one kind of strong base, and at least one kind of etching speed controlling agent. The method of use thereof includes a process which contacts the almost plane surface of polysilicon film with the solution which is highly aqueous and strongly basic for a sufficient time to make etching selectively the upheaval or protrusion from the surface of the almost plane polysilicon film without etching significantly the almost plane polysilicon film.
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题:为了减少或基本上去除通常从多晶硅膜的几乎平面表面向上延伸的动态或突起,所述多晶硅膜由沉积在其上的非晶硅膜的低温多晶硅硅(LTPS)退火制造 基质。 解决方案:高水性和强碱性的平坦化溶液的pH为12以上,并且含有水,至少一种强碱和至少一种蚀刻速度控制剂。 其使用方法包括与多晶硅膜的几乎平面表面接触的方法,该溶液是高度水溶性且强碱性的溶液足够长的时间以选择性地蚀刻几乎平面多晶硅膜的表面而没有蚀刻的动态或突起 显着地是几乎平面的多晶硅膜。 版权所有(C)2009,JPO&INPIT

    用於平坦化低溫多晶矽薄膜面板之多晶矽平坦化溶液 POLYSILICON PLANARIZATION SOLUTION FOR PLANARIZING LOW TEMPERATURE POLY-SILICON THIN FILIM PANELS
    54.
    发明专利
    用於平坦化低溫多晶矽薄膜面板之多晶矽平坦化溶液 POLYSILICON PLANARIZATION SOLUTION FOR PLANARIZING LOW TEMPERATURE POLY-SILICON THIN FILIM PANELS 审中-公开
    用于平坦化低温多晶硅薄膜皮肤之多晶硅平坦化溶液 POLYSILICON PLANARIZATION SOLUTION FOR PLANARIZING LOW TEMPERATURE POLY-SILICON THIN FILIM PANELS

    公开(公告)号:TW200842970A

    公开(公告)日:2008-11-01

    申请号:TW096115901

    申请日:2007-05-04

    IPC: H01L

    Abstract: 本發明係關於一種高度含水、强鹼性平坦化溶液及其用以縮減或基本上消除自一大體上平坦之多晶矽膜表面大體上向上延伸之突起或突出的方法,該多晶矽膜係藉由使一沈積於一基板上之非晶矽膜低溫多晶矽(LTPS)退火而產生;該方法包括使該大體上平坦之多晶矽膜之該表面與該高度含水、强鹼性平坦化溶液接觸,接觸時間足以自該大體上平坦之多晶矽膜之該表面選擇性地蝕刻該等突起或突出而且對該大體上平坦之多晶矽膜無任何顯著蝕刻,該高度含水、强鹼性溶液為具有12或更高pH値之溶液且包含水、至少一種强鹼及至少一種蝕刻率控制劑。

    Abstract in simplified Chinese: 本发明系关于一种高度含水、强碱性平坦化溶液及其用以缩减或基本上消除自一大体上平坦之多晶硅膜表面大体上向上延伸之突起或突出的方法,该多晶硅膜系借由使一沉积于一基板上之非晶硅膜低温多晶硅(LTPS)退火而产生;该方法包括使该大体上平坦之多晶硅膜之该表面与该高度含水、强碱性平坦化溶液接触,接触时间足以自该大体上平坦之多晶硅膜之该表面选择性地蚀刻该等突起或突出而且对该大体上平坦之多晶硅膜无任何显着蚀刻,该高度含水、强碱性溶液为具有12或更高pH値之溶液且包含水、至少一种强碱及至少一种蚀刻率控制剂。

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