John D Mccoy

6727117, Apr 27, 2004

Nov 7, 2002

10/291126

John Washington McCoy - San Diego CA

Kyocera America, Inc. - San Diego CA

H01L 2144

438106, 257684, 257746

A semiconductor package for power transistors of the LDMOS type has a metallic substrate with a die mounted directly thereon, lead frame insulators mounted thereon adjacent the die and a plurality of leads mounted on the insulators and electrically coupled to the die by bond wires. The substrate includes a body having opposite surfaces comprising pure copper layers, and with the body interior being at least partially comprised of a copper/diamond composite so as to act as a heat spreader and provide improved heat removal and low thermal expansion, as well as an electrical connection for the die. The body may be entirely comprised of a copper/diamond composite, or it may be comprised of a copper/tungsten composite having a copper/diamond composite insert therein. The copper/diamond composite is comprised of diamond particles within a copper matrix. In a method of making the copper/diamond composite, diamond particles are coated with multiple layers of elements or inorganic compounds, mixed with a dry-processing binder and compacted in a die under pressure to form a compacted body.

20100024437, Feb 4, 2010

Dec 19, 2008

12/317170

Norbert Elsner - La Jolla CA, US
John W. McCoy - San Diego CA, US

F25B 21/02

62 32

A high-temperature thermoelectric module. The module includes a two part molded egg-crate for holding in place and providing insulation and electrical connections for a number of thermoelectric n-legs and p-legs. A first part of the egg-crate is comprised of a ceramic material capable of operation at temperatures in excess of 600 C. and a second part comprised of a thermoplastic material having very low thermal conductivity. In preferred embodiments the high temperature ceramic is zirconia and the thermoplastic material is DuPont Zenite. The thermoelectric legs are also comprised of high-temperature and low-temperature material. In preferred embodiments the high temperature thermoelectric material is lead telluride and the low temperature material is bismuth telluride. In preferred embodiments metal felt spacers are provided in each leg to maintain proper electrical contacts notwithstanding substantial temperature variations. Preferably the module is sealed in an inert gas filled insulating capsule.

20100229911, Sep 16, 2010

Nov 12, 2009

12/590653

Frederick A. Leavitt - San Diego CA, US
Norbert B. Elsner - La Jolla CA, US
John C. Bass - La Jolla CA, US
John W. McCoy - San Diego CA, US

H01L 35/20

136239

A long life, low cost, high-temperature, high efficiency thermoelectric module. Preferred embodiments include a two-part (a high temperature part and a cold temperature part) egg-crate and segmented N legs and P legs, with the thermoelectric materials in the three segments chosen for their chemical compatibility or their figure of merit in the various temperature ranges between the hot side and the cold side of the module. The legs include metal meshes partially embedded in thermoelectric segments to help maintain electrical contacts notwithstanding substantial temperature variations. In preferred embodiments a two-part molded egg-crate holds in place and provides insulation and electrical connections for the thermoelectric N legs and P legs. The high temperature part of the egg-crate is comprised of a ceramic material capable of operation at temperatures in excess of 500 C. and the cold temperature part is comprised of a thermoplastic material having very low thermal conductivity.

20120103381, May 3, 2012

Oct 24, 2011

13/317608

Frederick A. Leavitt - San Diego CA, US
John W. McCoy - San Diego CA, US
Panneerselvam Marudhachalam - Ludwigshafen, DE
Martin Gaertner - Worms, DE

H01L 35/32
H01L 35/20

136238

A segmented lead telluride egg-crate thermoelectric module. In preferred embodiments N legs and P legs are segmented into at least two segments. The segments are chosen for their figure of merit in the various temperature ranges between the hot side and the cold side of the module. In preferred embodiments a low-temperature egg-crate, molded from a liquid crystal polymer material, having very low thermal conductivity holds in place and provides insulation and electrical connections for the thermoelectric N legs and P legs at the cold side of the module. A castable ceramic capable of operation at temperatures in excess of 500 C. is used to provide electrical insulation between the legs at the hot side of the module.

44495897, May 22, 1984

Oct 16, 1981

6/312142

John T. McCoy - Kansas City KS

A62C 700

169 48

A fire activated device which closes off a wall opening through which a plastic pipe or other fusible member extends. The device includes a back plate which is mounted to the wall with an opening in the plate in alignment with the wall opening which receives the pipe. A spring loaded cutting blade is normally held away from the pipe by a fuse plug which melts in the event of a fire. The blade is then released and cuts through the pipe under the influence of the springs. A stop plate holds the blade in position to cover the opening to prevent fire from passing through it to the adjoining room. The springs are shielded from the heat by telescoping tubes which contain them.

6046707, Apr 4, 2000

Jul 2, 1997

8/887412

Frank J. Gaughan - Poway CA
Aki Nomura - San Diego CA
Kiyoshi Hatakeyama - La Jolla CA
John Washington McCoy - San Diego CA
Yoichi Hamano - San Clemente CA

Kyocera America, Inc. - San Diego CA

H01Q 136
H01Q 140
H01Q 142

343895

A small and durable antenna for use with radio and microwave communications is formed as a helical conductor contained in a multilayered non-ferrite ceramic chip. The dielectric constant of the ceramic is selected to match the antenna to its operating frequency, which may be in the range of 0. 5 to 10. 0 Gigahertz. A process for making such antennas is also disclosed. The antenna may be used in portable terminals and other devices requiring small, durable and inexpensive antennae.

20200350482, Nov 5, 2020

May 2, 2019

16/501588

Kavon Kazemzadah - San Diego CA, US
John McCoy - San Diego CA, US
Frederick Leavitt - San Diego CA, US
Carmen Brown - Poway CA, US
Xiao Bing - Irvine CA, US

H01L 35/32
H01L 35/30
H01L 35/16
H01L 35/04
G21H 1/04
G21H 1/06

This invention brings three new elements to the design of a low-power RTG; 1) an RHU suspension system, 2) a module tensioning system, and 3) a flexible thermal conductor. Taken together, these three elements enable the design of a system which finds optimal balancing of shock resistance with energy conversion efficiency.

20140238459, Aug 28, 2014

Oct 4, 2012

14/349566

- Ludwigshafen, DE
Peter Renze - Mannheim, DE
Panneerselvam Marudhachalam - Ludwigshafen, DE
Frederick A. Leavitt - San Diego CA, US
John Washington McCoy - San Diego CA, US

BASF SE - Ludwigshafen

H01L 35/30
H01L 35/34

136205, 438 55, 136201

In a thermoelectric module consisting of p- and n-conducting thermoelectric material pieces which are alternately connected to one another via electrically conductive contacts, the thermoelectric module () is thermally conductively connected to a micro heat exchanger () which comprises a plurality of continuous channels having a diameter of at most mm, through which a fluid heat exchanger medium can flow.