Etching a substrate: processes – Forming or treating thermal ink jet article
Reexamination Certificate
2007-04-03
2007-04-03
Alanko, Anita (Department: 1765)
Etching a substrate: processes
Forming or treating thermal ink jet article
C216S041000, C216S056000, C216S067000
Reexamination Certificate
active
10643290
ABSTRACT:
Methods and systems for forming compound slots in a substrate are described. In one exemplary implementation, a method forms a plurality of slots in a substrate. The method also etches a trench in the substrate contiguous with the plurality of slots to form a compound slot.
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GB Search Report 0325180.8 dated Apr. 16, 2004.
Donaldson Jeremy
Hess Jeff
Nikkel Eric L.
Obert Jeffrey S.
Pollard Jeffrey R.
Alanko Anita
Hewlett--Packard Development Company, L.P.
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