WAFER OPERATING DEVICE AND METHOD FOR WORKING WAFER HAVING FUNCTIONAL SURFACE

    公开(公告)号:JP2003152066A

    公开(公告)日:2003-05-23

    申请号:JP2002326083

    申请日:2002-11-08

    Abstract: PROBLEM TO BE SOLVED: To provide a wafer operating device which can operate a wafer having a functional surface, and a method for working the wafer having the functional surface. SOLUTION: This wafer operating device is a wafer operating device containing a retaining part position (1) and provided with a retaining surface (2), which can be brought into contact with a surface of a wafer (4) in order to work the wafer (4) and is provided with at least one negative pressure region (3). The negative pressure region is formed as a trench in the retaining surface (2). Negative pressure can be formed in the negative pressure region when the negative pressure region is brought into contact with the wafer (4).

    METHOD FOR FORMING PROTECTIVE COATINGS ON WAFER BASE SURFACE

    公开(公告)号:JP2004006635A

    公开(公告)日:2004-01-08

    申请号:JP2003011776

    申请日:2003-01-21

    Abstract: PROBLEM TO BE SOLVED: To provide the rear processing method of a wafer to form a trench on the front surface of a wafer by sawing or etching, to grind the wafer from the base side, to fill the trench with protective materials, to coat the base front surface as the surface layer, and to harden it. SOLUTION: In this method, a trench is formed on the front surface of wafer 1 by sawing or etching, the wafer 1 is ground from the base side, the trench is filled with protective materials 8, which is also applied to the base surface as the surface layer. Then, the protective materials 8 are hardened in order to carry out the sawing process. In another embodiment of this method, double thin film layers are formed on the rear face of the wafer 1 including a mounting tape 6 and a protective layer 8 faced to the rear face of the wafer 1. COPYRIGHT: (C)2004,JPO

    Rissstoppbarriere und Verfahren zu deren Herstellung

    公开(公告)号:DE102011054153A1

    公开(公告)日:2012-04-05

    申请号:DE102011054153

    申请日:2011-10-04

    Inventor: WINTER SYLVIA

    Abstract: Es wird ein Wafer offenbart. Der Wafer umfasst mehrere Chips (230, 240, 250, 260) und mehrere Schnittgräben (320, 330). Ein Schnittgraben (320) der mehreren Schnittgräben (320, 330) trennt einen Chip (230, 240) von einem anderen Chip (250, 260). Der Schnittgraben (320) weist eine Rissstoppbarriere (610) auf.

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