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    • 55. 发明授权
    • Radially oscillating carousel processing system for chemical mechanical
polishing
    • 用于化学机械抛光的径向振荡转盘处理系统
    • US5804507A
    • 1998-09-08
    • US549001
    • 1995-10-27
    • Ilya PerlovEugene GantvargHarry Q. LeeSasson SomekhRobert D. Tolles
    • Ilya PerlovEugene GantvargHarry Q. LeeSasson SomekhRobert D. Tolles
    • B24B37/04B24B57/02H01L21/00
    • B24B57/02B24B37/04
    • An apparatus for polishing semiconductor wafers and other workpieces that includes a polishing pads mounted on respective platens at multiple polishing stations. Multiple wafer heads, at least one greater in number than the number of polishing stations, can be loaded with individual wafers. The wafer heads are suspended from a carousel, which provides circumferential positioning of the heads relative to the polishing pads, and the wafer heads oscillate radially as supported by the carousel to sweep linearly across the respective pads in radial directions with respect to the rotatable carousel. Each polishing station includes a pad conditioner to recondition the polishing pad so that it retains a high polishing rate. Washing stations may be disposed between polishing stations and between the polishing stations and a transfer and washing station to wash the wafer as the carousel moves. A transfer and washing station is disposed similarly to the polishing pads. The carousel simultaneously positions one of the heads over the transfer and washing station while the remaining heads are located over polishing stations for wafer polishing so that loading and unloading of wafers and washing of wafers and wafer heads can be performed concurrently with wafer polishing. A robot positioned to the side of the polishing apparatus automatically moves cassettes filled with wafers into a holding tub, and transfers individual wafers vertically held in the cassettes between the holding tub and the transfer and washing station. The multiple polishing pads can be used to sequentially polish a wafer held in a wafer head in a step of multiple steps. The steps may be equivalent, may provide polishes of different finish, or may be directed to polishing different levels.
    • 一种用于抛光半导体晶片和其它工件的装置,其包括安装在多个抛光站的相应压板上的抛光垫。 与抛光台的数量相比,至少一个数量的多个晶片头可以装载单独的晶片。 晶片头从旋转盘悬挂,其提供头相对于抛光垫的圆周定位,并且晶片头在圆盘传送带支撑下径向摆动,以相对于可旋转圆盘传送器在径向上线性地扫过相应的垫。 每个抛光台包括用于修整抛光垫的垫调节器,使得其保持高抛光速率。 洗涤站可以设置在抛光站之间和抛光站之间,以及传送和洗涤站,以便随着传送带移动而洗涤晶片。 传送和洗涤站的布置类似于抛光垫。 圆盘传送带同时将其中一个头放置在传送和洗涤台上,而其余的头位于用于晶片抛光的抛光站之上,从而可以与晶片抛光同时进行晶片的加载和卸载以及晶片和晶片头的清洗。 位于抛光装置一侧的机器人将自动地将装载有晶片的盒子移动到保持桶中,并且将保持在保持桶和转移和洗涤站之间的盒中的垂直保持的各个晶片传送。 多个抛光垫可以用于在多个步骤的步骤中顺序抛光保持在晶片头中的晶片。 这些步骤可以是等效的,可以提供不同涂饰的抛光剂,或者可以指向抛光不同的水平。
    • 60. 发明授权
    • Process for fabricating small geometry semiconductive devices including
integrated components
    • 用于制造包括集成部件的小几何形状半导体装置的方法
    • US4049944A
    • 1977-09-20
    • US606373
    • 1975-08-20
    • Hugh L. GarvinAmnon YarivSasson Somekh
    • Hugh L. GarvinAmnon YarivSasson Somekh
    • G03F7/20H01L21/027H01L21/265B23K9/00
    • G03F7/203H01L21/0275H01L21/2654
    • Disclosed is a process for fabricating small geometry electronic devices, including a variety of integrated optical devices. The process includes the steps of holographically exposing a resist masking layer to a plurality of optical interference patterns in order to develop a masking pattern on the surface of a semiconductive body. Thereafter, regions of the body exposed by openings in the masking pattern are ion beam machined to thereby establish very small dimension undulations in these regions. These closely spaced undulations have a variety of uses in optical devices as will be described. The present invention is not limited to the geometry control of semiconductive structures, and may also be used in the geometry control of metallization patterns which have a variety of applications, or the geometry control of any ion beam sensitive material.
    • 公开了一种用于制造小型几何电子器件的方法,包括各种集成的光学器件。 该方法包括以下步骤:将抗蚀剂掩模层全息曝光于多个光学干涉图案,以便在半导体本体的表面上形成掩模图案。 此后,通过掩模图案中的开口暴露的体的区域被加工成离子束,从而在这些区域中形成非常小的尺寸起伏。 这些紧密间隔的起伏在光学装置中具有各种用途,如将要描述的。 本发明不限于半导体结构的几何形状控制,也可用于具有各种应用或任何离子束敏感材料的几何形状控制的金属化图案的几何形状控制。