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    • 142. 发明申请
    • METHOD OF IMPROVING THE PASSIVATION EFFECT OF FILMS ON A SUBSTRATE
    • 改善薄膜对基底的钝化效应的方法
    • US20120214319A1
    • 2012-08-23
    • US13396286
    • 2012-02-14
    • Yuanchang Zhang
    • Yuanchang Zhang
    • H01L21/263
    • H01L31/1868Y02E10/50Y02P70/521
    • A film deposited on substrate may originally has a high surface recombination velocity (SRV). In order to suppress the SRV and increase the minority carrier lifetime, the substrate may be treated annealing at a high temperature in gas ambient containing O2 or O2−. The substrate may also be treated annealing at a low or mild temperature in gas ambient containing H2 or H+. The process has been found to improve the passivation effect of silicon oxide thin films on a silicon substrate. Further, the process can be achieved using the same production steps normally applied to the solar cell to create its top and bottom metal contacts without additional heating cycles are required.
    • 沉积在基底上的薄膜最初可具有高的表面复合速度(SRV)。 为了抑制SRV并增加少数载流子寿命,可以在含有O 2或O 2 - 的气体环境中在高温下对衬底进行处理退火。 衬底也可以在含有H 2或H +的气体环境中在低温或温和的温度下进行退火处理。 已经发现该方法可以改善硅衬底上氧化硅薄膜的钝化效果。 此外,该方法可以使用通常应用于太阳能电池的相同生产步骤来实现,以产生其顶部和底部金属触点,而不需要额外的加热循环。
    • 143. 发明申请
    • METHOD FOR MANUFACTURING A SEMICONDUCTOR STRUCTURE
    • 制造半导体结构的方法
    • US20120214314A1
    • 2012-08-23
    • US13401537
    • 2012-02-21
    • Thomas SCHARNAGLBerthold STAUFER
    • Thomas SCHARNAGLBerthold STAUFER
    • H01L21/263
    • H01L29/66272H01L21/8228H01L27/082
    • A method for manufacturing a semiconductor structure comprising complementary bipolar transistors, wherein for manufacture of a PNP-type structure, an emitter layer having a surface oxide layer is present on top of an NPN-type structure, the emitter layer comprising lateral and vertical surfaces, and wherein for removal of the oxide layer, an ion etching step is applied, wherein for the on etching step a plasma for providing ions is generated in a vacuum chamber by RF coupling and the generated ions are accelerated by an acceleration voltage between the plasma and a wafer comprising the semiconductor structure, and wherein the plasma generation and the ion acceleration are controlled independently from each other
    • 一种用于制造包括互补双极晶体管的半导体结构的方法,其中为了制造PNP型结构,具有表面氧化物层的发射极层位于NPN型结构的顶部,发射极层包括横向和垂直表面, 并且其中为了去除氧化物层,应用离子蚀刻步骤,其中对于上蚀刻步骤,通过RF耦合在真空室中产生用于提供离子的等离子体,并且所产生的离子通过等离子体和 包括半导体结构的晶片,并且其中等离子体产生和离子加速彼此独立地被控制
    • 144. 发明授权
    • Method of manufacturing a semiconductor device and substrate carrier structure
    • 制造半导体器件和衬底载体结构的方法
    • US08216919B2
    • 2012-07-10
    • US13009673
    • 2011-01-19
    • Yuichi Kaneko
    • Yuichi Kaneko
    • H01L21/263
    • H01L21/6835H01L2221/68313H01L2221/6835
    • A substrate carrier structure includes a tray and a secondary electron absorbing material. The tray holds a semiconductor substrate having a first surface on which semiconductor device elements are formed. The secondary electron absorbing material is interposed between the tray and this first surface of the semiconductor substrate. When the semiconductor substrate is irradiated with charged particles to form lattice defects, the secondary electron absorbing material prevents unwanted trapping of secondary electrons emitted from the tray, and thereby reduces the variability of electrical characteristics of semiconductor device elements formed on the semiconductor substrate.
    • 衬底载体结构包括托盘和二次电子吸收材料。 托盘保持具有形成半导体器件元件的第一表面的半导体衬底。 二次电子吸收材料介于托盘和半导体衬底的第一表面之间。 当半导体衬底被带电粒子照射以形成晶格缺陷时,二次电子吸收材料防止从托盘发射的二次电子的不期望的捕获,从而减少形成在半导体衬底上的半导体器件元件的电特性的变化。
    • 150. 发明申请
    • TECHNIQUES FOR FORMING THIN FILMS BY IMPLANTATION WITH REDUCED CHANNELING
    • 通过减少通道进行植入形成薄膜的技术
    • US20100317140A1
    • 2010-12-16
    • US12778989
    • 2010-05-12
    • ADAM BRAILOVEZuqin LiuFrancois J. HenleyAlbert J. Lamm
    • ADAM BRAILOVEZuqin LiuFrancois J. HenleyAlbert J. Lamm
    • H01L21/263H01J37/08
    • H01L31/0392H01L21/67213H01L21/76254H01L31/18Y02E10/50
    • Embodiments of the present invention relate to the use of a particle accelerator beam to form thin films of material from a bulk substrate. In particular embodiments, a bulk substrate having a top surface is exposed to a beam of accelerated particles. Then, a thin film of material is separated from the bulk substrate by performing a controlled cleaving process along a cleave region formed by particles implanted from the beam. To improve uniformity of depth of implantation, channeling effects are reduced by one or more techniques. In one technique, a miscut bulk substrate is subjected to the implantation, such that the lattice of the substrate is offset at an angle relative to the impinging particle beam. According to another technique, the substrate is tilted at an angle relative to the impinging particle beam. In still another technique, the substrate is subjected to a dithering motion during the implantation. These techniques may be employed alone or in combination.
    • 本发明的实施例涉及使用粒子加速器束从大量衬底形成材料薄膜。 在具体的实施方案中,具有顶表面的本体衬底暴露于加速颗粒束。 然后,通过沿着从光束注入的颗粒形成的切割区域进行受控的切割过程,将薄膜材料与本体基板分离。 为了改善植入深度的均匀性,可以通过一种或多种技术降低沟道效应。 在一种技术中,对杂散块体基板进行注入,使得基板的晶格相对于撞击的粒子束以一定角度偏移。 根据另一种技术,衬底相对于撞击粒子束以一定角度倾斜。 在另一种技术中,衬底在植入期间经历抖动运动。 这些技术可以单独使用或组合使用。