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    • 3. 发明授权
    • Method of manufacturing a semiconductor device
    • 制造半导体器件的方法
    • US08324032B2
    • 2012-12-04
    • US13152492
    • 2011-06-03
    • Hideto OhnumaIchiro Uehara
    • Hideto OhnumaIchiro Uehara
    • H01L21/84
    • H01L27/1288H01L21/28114H01L21/32136H01L21/32139H01L27/1214H01L29/42384H01L29/66598H01L29/66757H01L29/78621H01L29/78627H01L2029/7863Y10S438/949
    • Formation of LDD structures and GOLD structures in a semiconductor device is conventionally performed in a self aligning manner with gate electrodes as masks, but there are many cases in which the gate electrodes have two layer structures, and film formation processes and etching processes become complex. Further, in order to perform formation of LDD structures and GOLD structures only by processes such as dry etching, the transistor structures all have the same structure, and it is difficult to form LDD structures, GOLD structures, and single drain structures separately for different circuits. By applying a photolithography process for forming gate electrodes to photomasks or reticles, in which supplemental patterns having a function of reducing, the intensity of light and composed of diffraction grating patterns or translucent films, are established, GOLD structure, LDD structure, and single drain structure transistors can be easily manufactured for different circuits through dry etching and ion injection process steps.
    • 通常以半导体器件中的LDD结构和GOLD结构的形式,以栅电极作为掩模进行自对准,但是栅电极具有两层结构的情况很多,成膜工艺和蚀刻工艺变得复杂。 此外,为了仅通过诸如干蚀刻的工艺来形成LDD结构和GOLD结构,晶体管结构都具有相同的结构,并且难以分别形成用于不同电路的LDD结构,GOLD结构和单个漏极结构 。 通过对光栅掩模或掩模版形成栅极电极的光刻工艺,建立了具有降低光的强度并由衍射光栅图案或半透明膜构成的功能的补充图案,GOLD结构,LDD结构和单漏极 通过干蚀刻和离子注入工艺步骤可以容易地为不同的电路制造结构晶体管。
    • 5. 发明申请
    • Method of Fabricating Semiconductor Device, and Developing Apparatus Using the Method
    • 使用该方法制造半导体器件的方法和显影装置
    • US20080182209A1
    • 2008-07-31
    • US12016244
    • 2008-01-18
    • Masaharu NagaiIchiro Uehara
    • Masaharu NagaiIchiro Uehara
    • G03F7/26
    • H01L27/1288G03F7/40H01L21/0273H01L21/32136H01L21/32139H01L27/1214H01L29/42384H01L29/4908H01L29/66757H01L29/78621H01L29/78675
    • In a resist pattern forming method in which bake processing is performed at a temperature not lower than a glass transition temperature in order to obtain the desired sidewall angle, resist removable is difficult. Accordingly, in the resist pattern forming method of performing bake processing at a temperature not lower than a glass transition temperature, a process margin for resist removability cannot be ensured, so that there is the problem that it is impossible to compatibly realize both the formation of a resist pattern having the desired sidewall angle and the resist removability of the resist pattern. The invention aims to solve the problem. A resist pattern including a diazonaphthoquinone (DNQ)-novolac resin type of positive resist is formed, and the resist pattern is irradiated with light within the range of photosensitive wavelengths of a DNQ photosensitizer to perform bake processing on the resist pattern at a temperature not lower than the glass transition temperature of the resist pattern.
    • 在为了获得期望的侧壁角度而在不低于玻璃化转变温度的温度进行烘烤处理的抗蚀剂图案形成方法中,难以除去抗蚀剂。 因此,在不低于玻璃化转变温度的温度进行烘烤处理的抗蚀剂图案形成方法中,不能确保抗蚀剂除去性的工艺余量,所以存在不能兼容地实现 抗蚀剂图案具有期望的侧壁角度和抗蚀剂图案的抗蚀剂可除去性。 本发明旨在解决问题。 形成包含重氮萘醌(DNQ) - 新型异氰酸酯树脂型正性抗蚀剂的抗蚀剂图案,用DNQ光敏剂的光敏波长范围内的光照射抗蚀剂图案,以在不低于的温度对抗蚀剂图案进行烘烤处理 比抗蚀剂图案的玻璃化转变温度高。
    • 6. 发明申请
    • METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE
    • 制造半导体器件的方法
    • US20070218604A1
    • 2007-09-20
    • US11754484
    • 2007-05-29
    • Hideto OhnumaIchiro Uehara
    • Hideto OhnumaIchiro Uehara
    • H01L21/84
    • H01L27/1288H01L21/28114H01L21/32136H01L21/32139H01L27/1214H01L29/42384H01L29/66598H01L29/66757H01L29/78621H01L29/78627H01L2029/7863Y10S438/949
    • Formation of LDD structures and GOLD structures in a semiconductor device is conventionally performed in a self aligning manner with gate electrodes as masks, but there are many cases in which the gate electrodes have two layer structures, and film formation processes and etching processes become complex. Further, in order to perform formation of LDD structures and GOLD structures only by processes such as dry etching, the transistor structures all have the same structure, and it is difficult to form LDD structures, GOLD structures, and single drain structures separately for different circuits. By applying a photolithography process for forming gate electrodes to photomasks or reticles, in which supplemental patterns having a function of reducing the intensity of light and composed of diffraction grating patterns or translucent films, are established, GOLD structure, LDD structure, and single drain structure transistors can be easily manufactured for different circuits through dry etching and ion injection process steps.
    • 通常以半导体器件中的LDD结构和GOLD结构的形式,以栅电极作为掩模进行自对准,但是栅电极具有两层结构的情况很多,成膜工艺和蚀刻工艺变得复杂。 此外,为了仅通过诸如干蚀刻的工艺来形成LDD结构和GOLD结构,晶体管结构都具有相同的结构,并且难以分别形成用于不同电路的LDD结构,GOLD结构和单个漏极结构 。 通过应用用于形成栅电极的光刻工艺来形成光掩模或掩模版,其中具有降低光强度并且由衍射光栅图案或半透明膜构成的功能的补充图案,GOLD结构,LDD结构和单漏极结构 通过干蚀刻和离子注入工艺步骤可以容易地为不同的电路制造晶体管。
    • 8. 发明授权
    • Method of manufacturing a semiconductor device
    • 制造半导体器件的方法
    • US07955912B2
    • 2011-06-07
    • US12823175
    • 2010-06-25
    • Hideto OhnumaIchiro Uehara
    • Hideto OhnumaIchiro Uehara
    • H01L21/84
    • H01L27/1288H01L21/28114H01L21/32136H01L21/32139H01L27/1214H01L29/42384H01L29/66598H01L29/66757H01L29/78621H01L29/78627H01L2029/7863Y10S438/949
    • Formation of LDD structures and GOLD structures in a semiconductor device is conventionally performed in a self aligning manner with gate electrodes as masks, but there are many cases in which the gate electrodes have two layer structures, and film formation processes and etching processes become complex. Further, in order to perform formation of LDD structures and GOLD structures only by processes such as dry etching, the transistor structures all have the same structure, and it is difficult to form LDD structures, GOLD structures, and single drain structures separately for different circuits. By applying a photolithography process for forming gate electrodes to photomasks or reticles, in which supplemental patterns having a function of reducing the intensity of light and composed of diffraction grating patterns or translucent films, are established, GOLD structure, LDD structure, and single drain structure transistors can be easily manufactured for different circuits through dry etching and ion injection process steps.
    • 通常以半导体器件中的LDD结构和GOLD结构的形式,以栅电极作为掩模进行自对准,但是栅电极具有两层结构的情况很多,成膜工艺和蚀刻工艺变得复杂。 此外,为了仅通过诸如干蚀刻的工艺来形成LDD结构和GOLD结构,晶体管结构都具有相同的结构,并且难以分别形成用于不同电路的LDD结构,GOLD结构和单个漏极结构 。 通过应用用于形成栅电极的光刻工艺来形成光掩模或掩模版,其中具有降低光强度并且由衍射光栅图案或半透明膜构成的功能的补充图案,GOLD结构,LDD结构和单漏极结构 通过干蚀刻和离子注入工艺步骤可以容易地为不同的电路制造晶体管。
    • 9. 发明申请
    • METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE
    • 制造半导体器件的方法
    • US20080119024A1
    • 2008-05-22
    • US11969247
    • 2008-01-04
    • Hideto OhnumaIchiro Uehara
    • Hideto OhnumaIchiro Uehara
    • H01L21/04
    • H01L27/1288H01L21/28114H01L21/32136H01L21/32139H01L27/1214H01L29/42384H01L29/66598H01L29/66757H01L29/78621H01L29/78627H01L2029/7863Y10S438/949
    • Formation of LDD structures and GOLD structures in a semiconductor device is conventionally performed in a self aligning manner with gate electrodes as masks, but there are many cases in which the gate electrodes have two layer structures, and film formation processes and etching processes become complex. Further, in order to perform formation of LDD structures and GOLD structures only by processes such as dry etching, the transistor structures all have the same structure, and it is difficult to form LDD structures, GOLD structures, and single drain structures separately for different circuits. By applying a photolithography process for forming gate electrodes to photomasks or reticles, in which supplemental patterns having a function of reducing the intensity of light and composed of diffraction grating patterns or translucent films, are established, GOLD structure, LDD structure, and single drain structure transistors can be easily manufactured for different circuits through dry etching and ion injection process steps.
    • 通常以半导体器件中的LDD结构和GOLD结构的形式,以栅电极作为掩模进行自对准,但是栅电极具有两层结构的情况很多,成膜工艺和蚀刻工艺变得复杂。 此外,为了仅通过诸如干蚀刻的工艺来形成LDD结构和GOLD结构,晶体管结构都具有相同的结构,并且难以分别形成用于不同电路的LDD结构,GOLD结构和单个漏极结构 。 通过应用用于形成栅电极的光刻工艺来形成光掩模或掩模版,其中具有降低光强度并且由衍射光栅图案或半透明膜构成的功能的补充图案,GOLD结构,LDD结构和单漏极结构 通过干蚀刻和离子注入工艺步骤可以容易地为不同的电路制造晶体管。