Active solid-state devices (e.g. – transistors – solid-state diode – Lead frame – With separate tie bar element or plural tie bars
Reexamination Certificate
2005-08-08
2009-06-23
Mandala, Victor A (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Lead frame
With separate tie bar element or plural tie bars
C257S666000, C257S673000, C257S676000, C257SE33066, C257SE23031
Reexamination Certificate
active
07550827
ABSTRACT:
Disclosed is a leadframe lot at least one electronic component, composing at least two electrical lead elements, each of which comprises at least one electrical lead tab and at least one retention tab. Provided between the at least one retention tab and the lead element is a score defining parallel offset between the retention tab and the adjacent region of the lead element. An additional parallel offset is defined between the lead element and the electrical lead tab, such that the retention tab and the electrical lead tab are located in a common plane. The score enables the retention tab to be removed easily without the need for a disadvantageous punched gap between the lead element and the retention tab.
REFERENCES:
patent: RE37707 (2002-05-01), Bozzini et al.
patent: 69113079 (1996-05-01), None
patent: 0496078 (1992-07-01), None
patent: 61279161 (1986-12-01), None
patent: 01175250 (1989-07-01), None
Authorized officer: Kuchenbecker, J., International Search Report, PCT/DE2005/001402, Feb. 9, 2006.
Arndt Karlheinz
Bogner Georg
Gruber Stefan
Lim Huey Ling Rena
Schneider Markus
Fish & Richardson P.C.
Mandala Victor A
Osram Opto Semiconductor GmbH
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