Semiconductor-metal-on-insulator structures, methods of forming such structures, and semiconductor devices including such structures
First Claim
Patent Images
1. A semiconductor-metal-on-insulator structure comprising:
- an insulator material on a first semiconductor substrate;
an amorphous germanium material bonded to the insulator material;
a conductive material over and in direct physical contact with the amorphous germanium material, the conductive material comprising one or more members of the group consisting of phase change material, titanium, titanium oxide, tantalum, tantalum oxide, tantalum nitride and tungsten oxide; and
a second semiconductor substrate over the conductive material.
4 Assignments
0 Petitions
Accused Products
Abstract
Methods for fabricating semiconductor-metal-on-insulator (SMOI) structures include forming an acceptor wafer including an insulator material on a first semiconductor substrate, forming a donor wafer including a conductive material and an amorphous silicon material on a second semiconductor substrate, and bonding the amorphous silicon material of the donor wafer to the insulator material of the acceptor wafer. SMOI structures formed from such methods are also disclosed, as are semiconductor devices including such SMOI structures.
-
Citations
20 Claims
-
1. A semiconductor-metal-on-insulator structure comprising:
-
an insulator material on a first semiconductor substrate; an amorphous germanium material bonded to the insulator material; a conductive material over and in direct physical contact with the amorphous germanium material, the conductive material comprising one or more members of the group consisting of phase change material, titanium, titanium oxide, tantalum, tantalum oxide, tantalum nitride and tungsten oxide; and a second semiconductor substrate over the conductive material.
-
-
2. A semiconductor-metal-on-insulator structure comprising:
-
an insulator material on a first semiconductor substrate; a conductive material over the insulator material, the conductive material comprising one or more members of the group consisting of phase change material and tungsten; an amorphous silicon material over the conductive material; and a second semiconductor substrate over the conductive material. - View Dependent Claims (3, 4)
-
-
5. A semiconductor-metal-on-insulator structure comprising:
-
an insulator material on a first semiconductor substrate; a conductive material over the insulator material; a first portion of an epitaxial silicon material and a second portion of a silicon-germanium material, the first and second portions being discrete portions and having an interface there between, the first portion or the second portion being bonded to the insulator material; and a second semiconductor substrate over the conductive material. - View Dependent Claims (6)
-
-
7. A method for fabricating a semiconductor-metal-on-insulator structure, comprising:
-
forming an acceptor wafer comprising an insulator material formed over a first semiconductor substrate; forming a donor wafer comprising a conductive material over a precursor semiconductor substrate, an amorphous silicon material over the conductive material, and an implanted zone within the precursor semiconductor substrate, the conductive material comprising one or more members of the group consisting of phase change material, titanium, titanium oxide, tantalum, tantalum oxide, tantalum nitride and tungsten oxide; positioning the amorphous silicon material of the donor wafer in direct physical contact with the insulator material of the acceptor wafer and bonding the amorphous silicon material of the donor wafer to the insulator material of the acceptor wafer; and removing a portion of the precursor semiconductor substrate proximate the implanted zone within the precursor semiconductor substrate. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A method of fabricating a semiconductor device, comprising:
-
forming an acceptor wafer comprising an insulator material formed over a first semiconductor substrate; forming a donor wafer comprising a conductive material over a precursor semiconductor substrate, an amorphous silicon material over the conductive material, and an implanted zone within the precursor semiconductor substrate, the conductive material comprising one or more members of the group consisting of phase change material, titanium, titanium oxide, tantalum, tantalum oxide, tantalum nitride and tungsten oxide; positioning the amorphous silicon material of the donor wafer in direct physical contact with the insulator material of the acceptor wafer and bonding the amorphous silicon material of the donor wafer to the insulator material of the acceptor wafer; removing a portion of the precursor semiconductor substrate proximate the implanted zone to form a second semiconductor substrate; and fabricating at least one memory cell on the second semiconductor substrate. - View Dependent Claims (17, 18, 19, 20)
-
Specification