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    • 54. 发明申请
    • Wafer holder, heater unit having the wafer holder, and wafer prober having the heater unit
    • 晶片保持器,具有晶片保持器的加热器单元和具有加热器单元的晶片探测器
    • US20070023320A1
    • 2007-02-01
    • US11492223
    • 2006-07-25
    • Katsuhira ItakuraMasuhiro NatsuharaTomoyuki AwazuHirohiko NakataKenji Shinma
    • Katsuhira ItakuraMasuhiro NatsuharaTomoyuki AwazuHirohiko NakataKenji Shinma
    • B65D85/00
    • H01L21/68757H01L21/67103
    • A wafer holder hardly deformable under high load and capable of effectively preventing a contact failure with a wafer and further capable of preventing temperature increase of a driving system of a wafer prober is provided. In a wafer holder having a chuck top and a supporter, variation in thickness of the chuck top from a wafer-mounting surface to a contact surface with the supporter, and variation in thickness of the supporter from a bottom surface to a contact surface with the chuck top are both set to at most 50 μm. When the supporter is of a structure having a circular tube portion and a base portion separate from each other, variation in thickness of the circular tube portion from a contact surface with the chuck top to a contact surface with the base portion, and variation in thickness of the base portion from a bottom surface to a contact surface with the circular tube portion are preferably both set to at most 25 μm.
    • 晶片保持器在高负载下几乎不变形,并且能够有效地防止与晶片的接触故障,并且还能够防止晶片探测器的驱动系统的温度升高。 在具有卡盘顶部和支撑件的晶片保持器中,卡盘顶部从晶片安装表面到支撑件的接触表面的厚度变化,以及支撑件从底表面到接触表面的厚度的变化 卡盘顶部都设定为最多50马姆。 当支撑体具有圆形管部分和基部彼此分离的结构时,圆形管部分从与卡盘顶部的接触表面到与基部的接触表面的厚度的变化以及厚度的变化 从底面到与圆管部分的接触表面的底部部分优选地设定为至多25μm。
    • 55. 发明授权
    • Process for molding ceramics
    • 陶瓷成型工艺
    • US06458298B1
    • 2002-10-01
    • US08505069
    • 1995-07-21
    • Tomoyuki AwazuYasushi TsuzukiAkira Yamakawa
    • Tomoyuki AwazuYasushi TsuzukiAkira Yamakawa
    • B28B126
    • B28B1/262B28B1/265B29C2043/3628B29L2023/00
    • A wet molding method in which a ceramic slurry is charged into a cavity and uniaxially pressed by a punch to remove excess liquid from a portion of the slurry facing the punch to effect molding, the method being improved by maintaining at least one of the following conditions; (a) the pressing of the slurry is stopped at a time between T and 1.5 T, T being defined as the pressing time necessary to remove sufficient excess liquid from the slurry in the mold to produce a molded mass; or (b) the punch displacement position at a time at which sufficient excess liquid is removed from the slurry in the mold to produce a molded mass is less than 17% of the total mold length.
    • 一种湿法成型方法,其中将陶瓷浆料装入空腔中并通过冲头单轴挤压以从面向冲头的浆料的一部分中除去多余的液体以实现模塑,该方法通过保持以下条件中的至少一种而得到改善 (a)在T和1.5T之间停止浆料的压制,T定义为从模具中的浆料中除去足够多的液体以产生模制物料所需的挤压时间; 或(b)在模具中从浆料中除去足够多的液体以产生模制物料的时间处的冲头位移位置小于总模具长度的17%。