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    • 4. 发明授权
    • Method of manufacturing semiconductor thin film
    • 制造半导体薄膜的方法
    • US08080450B2
    • 2011-12-20
    • US12596453
    • 2007-12-05
    • Kazuyuki SugaharaNaoki NakagawaShinsuke YuraToru TakeguchiTomoyuki IrizumiKazushi YamayoshiAtsuhiro Sono
    • Kazuyuki SugaharaNaoki NakagawaShinsuke YuraToru TakeguchiTomoyuki IrizumiKazushi YamayoshiAtsuhiro Sono
    • H01L21/84H01L21/00H01L21/205
    • H01L21/02675H01L21/02532H01L27/1285H01L27/1296H01L29/04H01L29/0657
    • On a translucent substrate, an insulating film having a refractive index n and an amorphous silicon film are deposited successively. By irradiating the amorphous silicon film with a laser beam having a beam shape of a band shape extending along a length direction with a wavelength λ, a plurality of times from a side of amorphous silicon film facing the insulating film, while an irradiation position of the laser beam is shifted each of the plurality of times in a width direction of the band shape by a distance smaller than a width dimension of the band shape, a polycrystalline silicon film is formed from the amorphous silicon film. Forming the polycrystalline silicon film forms crystal grain boundaries which extend in the width direction and are disposed at a mean spacing measured along the length direction and ranging from (λ/n)×0.95 to (λ/n)×1.05 inclusive, and crystal grain boundaries which, in a region between crystal grain boundaries adjacent to each other and extending in the width direction, extend in the length direction and are disposed at a mean spacing measured along the width direction and ranging from (λ/n)×0.95 to (λ/n)×1.05 inclusive.
    • 在半透明基板上,依次沉积具有折射率n的绝缘膜和非晶硅膜。 通过从具有波长λ方向的波长形状的波束形状的激光束照射非晶硅膜,从非晶硅膜的与绝缘膜相对的侧面多次, 激光束在带状的宽度方向上多次移动距离小于带状的宽度尺寸的距离,由非晶硅膜形成多晶硅膜。 形成多晶硅膜形成在宽度方向上延伸的晶粒边界,并且以沿长度方向测量的平均间隔设置,范围为(λ/ n)×0.95〜(λ/ n)×1.05, 在彼此相邻并且在宽度方向上延伸的晶粒边界之间的区域中,在长度方向上延伸并沿宽度方向测量的平均间隔设置在(λ/ n)×0.95〜( λ/ n)×1.05(含)。
    • 8. 发明授权
    • Semiconductor device and a method of manufacturing the same
    • 半导体装置及其制造方法
    • US07923725B2
    • 2011-04-12
    • US12470080
    • 2009-05-21
    • Tomoyuki Irizumi
    • Tomoyuki Irizumi
    • H01L29/04
    • H01L29/78669H01L29/66765H01L29/78678H01L29/78696
    • According to a method of manufacturing a semiconductor device of the present invention, a gate electrode is formed above a substrate, and a insulating film is formed above the gate electrode. Then, an amorphous semiconductor film is formed above the insulating film, laser annealing is performed on the amorphous semiconductor film, and the amorphous semiconductor film is changed to a crystalline semiconductor film. After that, hydrofluoric acid processing is performed on the crystalline semiconductor film, and an amorphous semiconductor film is formed above the crystalline semiconductor film where the hydrofluoric acid processing is performed so that pattern ends of the amorphous semiconductor film are arranged outside pattern ends of the crystalline semiconductor film and the amorphous semiconductor film contacts with the insulating film near the pattern ends.
    • 根据本发明的半导体装置的制造方法,在基板的上方形成栅电极,在栅电极的上方形成绝缘膜。 然后,在绝缘膜的上方形成非晶半导体膜,对非晶半导体膜进行激光退火,将非晶半导体膜变更为结晶半导体膜。 之后,对结晶半导体膜进行氢氟酸处理,在结晶半导体膜的上方形成非晶半导体膜,在其上进行氢氟酸处理,使得非晶半导体膜的图案末端排列在晶体 半导体膜和非晶半导体膜在图案端附近与绝缘膜接触。
    • 9. 发明授权
    • Method for manufacturing a semiconductor device
    • 半导体器件的制造方法
    • US06784117B2
    • 2004-08-31
    • US10278949
    • 2002-10-24
    • Tomoyuki Irizumi
    • Tomoyuki Irizumi
    • H01L2131
    • H01L21/02164H01L21/02271H01L21/02304H01L21/31612
    • In a method for manufacturing a semiconductor device having a USG film 5 formed on a semiconductor substrate 1 in which an N+-type active region 2 and a P+-type active region 3 are formed, an oxide film 4 is formed on the semiconductor substrate 1 and the USG film 5 is formed on the oxide film 4. Because the influence of the characteristic difference of an underlying layer on the formation of the USG film 5 can be avoided due to the existence of the oxide film, the USG film 5 can be formed in a uniform thickness over regions including the semiconductor substrate 1, the P+-type active region 3 and the N+-type active region 2.
    • 在形成有形成在其中形成有N +型有源区2和P +型有源区3的半导体衬底1上的USG膜5的半导体器件的制造方法中,在半导体衬底1上形成氧化物膜4 并且在氧化物膜4上形成USG膜5.由于由于氧化物膜的存在可以避免下层的特征差异对USG膜5的形成的影响,因此USG膜5可以 在包括半导体衬底1,P +型有源区3和N +型有源区2的区域上形成均匀的厚度。