Overvoltage Protection Device
First Claim
1. An overvoltage protection device, comprising:
- a metal oxide varistor (MOV) having a first surface and a second surface;
a semiconductor substrate having a first outer surface and a second outer surface and comprising a semiconductor crowbar device comprising a plurality of semiconductor layers arranged in electrical series to one another, the semiconductor substrate being disposed on a first side of the metal oxide varistor;
a conductive region disposed between the second surface of the MOV and the first outer surface of the semiconductor substrate;
a first electrical contact disposed on the first surface of the MOV; and
a second electrical contact disposed on the second outer surface of the semiconductor substrate.
1 Assignment
0 Petitions
Accused Products
Abstract
In one embodiment, an overvoltage protection device may include a metal oxide varistor (MOV) having a first surface and a second surface; a semiconductor substrate having a first outer surface and a second outer surface and comprising a semiconductor crowbar device comprising a plurality of semiconductor layers arranged in electrical series to one another, the semiconductor substrate being disposed on a first side of the metal oxide varistor; a conductive region disposed between the second surface of the MOV and the first outer surface of the semiconductor substrate; a first electrical contact disposed on the first surface of the MOV; and a second electrical contact disposed on the second outer surface of the semiconductor substrate.
1 Citation
18 Claims
-
1. An overvoltage protection device, comprising:
-
a metal oxide varistor (MOV) having a first surface and a second surface; a semiconductor substrate having a first outer surface and a second outer surface and comprising a semiconductor crowbar device comprising a plurality of semiconductor layers arranged in electrical series to one another, the semiconductor substrate being disposed on a first side of the metal oxide varistor; a conductive region disposed between the second surface of the MOV and the first outer surface of the semiconductor substrate; a first electrical contact disposed on the first surface of the MOV; and a second electrical contact disposed on the second outer surface of the semiconductor substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A method of fabricating an overvoltage protection device, comprising:
-
providing a metal oxide varistor (MOV) having a first side and a second side; attaching a first surface of a semiconductor substrate comprising a semiconductor crowbar device to the second side; forming a first electrical contact on the first side of the metal oxide varistor; and forming a second electrical contact on a second surface of the semiconductor substrate opposite the first surface, wherein the metal oxide varistor and the semiconductor crowbar device are in electrical series with one another between the first electrical contact and the second electrical contact. - View Dependent Claims (13, 14, 15, 16, 17)
-
-
18. An overvoltage protection device, comprising:
-
a first electrical contact; a metal oxide varistor (MOV) electrically connected to the first electrical contact; a second electrical contact; and a semiconductor crowbar device comprising a plurality of semiconductor layers, wherein the metal oxide varistor and the semiconductor crowbar device are arranged in electrical series between the first electrical contact and second electrical contact.
-
Specification