Active solid-state devices (e.g. – transistors – solid-state diode – Integrated circuit structure with electrically isolated... – Passive components in ics
Reexamination Certificate
2006-10-17
2006-10-17
Pert, Evan (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Integrated circuit structure with electrically isolated...
Passive components in ics
C257S528000, C257S516000, C257SE23144
Reexamination Certificate
active
07122877
ABSTRACT:
A semiconductor device of the present invention includes a semiconductor substrate including an active region and an isolating region provided so as to enclose the active region; a capacitance insulating film that is provided on the active region and is in contact with the isolating region; an upper electrode provided on the capacitance insulating film so as to be spaced away from the isolating region; an electrode pad provided on the isolating region; a lead conductive film provided over a part of the capacitance insulating film and a part of the isolating region for connecting the upper electrode and the electrode pad; and an interlayer insulating film provided over the substrate. Connection holes penetrating the interlayer insulating film to reach the electrode pad are formed, and the ratio (S/L) of the total sum (S) of exposed areas of the electrode pad in the contact holes with respect to the total sum (L) of lengths of the boundary line in an overlapping portion of the boundary line and the lead conductive films is adjusted such that the breakdown ratio of the capacitance insulating film is substantially zero, the boundary line being between the capacitance insulating film and the isolating region.
REFERENCES:
patent: 5691556 (1997-11-01), Saito et al.
patent: 6084271 (2000-07-01), Yu et al.
Mandala Jr. Victor A.
Matsushita Electric - Industrial Co., Ltd.
Nixon & Peabody LLP
Pert Evan
Studebaker Donald R.
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