Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Reexamination Certificate
2011-06-28
2011-06-28
Kornakov, Michael (Department: 1714)
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
C438S458000
Reexamination Certificate
active
07967915
ABSTRACT:
A method for reducing attraction forces between wafers (4) is provided. This method includes the step of, after sawing and before dissolution of the adhesive (5), introducing spacers (6) between wafers (4). A wafer singulation method and an agent for use in the method are also provided.
REFERENCES:
patent: 5213451 (1993-05-01), Frank et al.
patent: 6210795 (2001-04-01), Nelson et al.
patent: 6420211 (2002-07-01), Brunet et al.
patent: 1333919 (2002-01-01), None
patent: 102 20 468 (2003-11-01), None
patent: 2002-036090 (2002-06-01), None
Sauar Erik
Wang Per Arne
Birch & Stewart Kolasch & Birch, LLP
Campbell Natasha
Kornakov Michael
REC Scanwafer AS
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