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Patent Searching and Data


Title:
DICING METHOD FOR WAFER
Document Type and Number:
Japanese Patent JPH0758064
Kind Code:
A
Abstract:

PURPOSE: To provide a wafer dicing method which prevents an increase in both a device installation space and a manufacturing cost, and what is more, obtains easily required chips.

CONSTITUTION: After a cutter 5 is aligned on a center line L of a specified dicing line 2 as illustrated in FIGURE 1 (a), a first cutting area 10 of a first stripe is formed along the center line L as illustrated in FIGURE 1 (b). Then, a second cutting area 11 of a second stripe is formed along a center line M where the cutter 5 is shifted by A to the right side from the center line L as illustrated in FIGURE (c). Furthermore, the cutter 5 is shifted by A to the left side from the center line L and a third cutting area 12 of a third stripe is formed along a center line N as illustrated in FIGURE (d), thereby providing semiconductor chips which eliminate aluminum thin film parts 4.


Inventors:
ISHII MASAE
MASUDA HISAO
OZEKI YUKIO
Application Number:
JP20241193A
Publication Date:
March 03, 1995
Filing Date:
August 16, 1993
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01L21/301; (IPC1-7): H01L21/301
Attorney, Agent or Firm:
Soga Doteru (6 people outside)