Mark forming method, mark forming apparatus and analyzing...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor

Reexamination Certificate

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C324S754090

Reexamination Certificate

active

06864675

ABSTRACT:
A mark forming apparatus including a guide needle for forming a mark, a positioning mechanism, a solution supply device, and a heating unit is disclosed. The positioning mechanism is used for positioning the guide needle above a fault location of a semiconductor device. The solution supply device supplies a solution containing a coloring agent and a volatile solvent to the fault location until it touches a tip of the guide needle. The heating unit evaporates the volatile solvent to form a mark consisting of the coloring agent surrounding the fault location.

REFERENCES:
patent: 3507389 (1970-04-01), Casner et al.
patent: 3572400 (1971-03-01), Casner et al.
patent: 4568879 (1986-02-01), Nakamura et al.
patent: 4992729 (1991-02-01), Nadeau
patent: 5474640 (1995-12-01), Ye et al.
patent: 02-122536 (1990-10-01), None

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