Ho Gene Choi

US Patent:

8231431, Jul 31, 2012

Filed:

Jan 23, 2009

Appl. No.:

12/358814

Inventors:

Dhruv Gajaria - Sunnyvale CA, US
Zhiyong Li - San Jose CA, US
Gopalakrishna B. Prabhu - San Jose CA, US
Yacov Elgar - Sunnyvale CA, US
John Visitacion - Newark CA, US
Yong Liu - San Jose CA, US
Jeffrey S. Sullivan - Castro Valley CA, US
Salvador Umotoy - Antioch CA, US
Tai T. Ngo - Dublin CA, US
Michael Marriott - Morgan Hill CA, US
Peter Crundwell - Horsham, GB
Vinay Shah - San Mateo CA, US
Ho Gene Choi - Santa Clara CA, US
Dennis C. Pierce - Pleasanton CA, US

Assignee:

Applied Materials, Inc. - Santa Clara CA

International Classification:

B24B 49/00
B24B 7/06
B24B 53/21

US Classification:

451 8, 451 21, 451194, 451213, 451443

Abstract:

The present invention generally relates to an edge deletion module positioned within an automated solar cell fabrication line. The edge deletion module may include a grinding wheel device for removing material from edge regions of a solar cell device and cleaning the edge regions of the solar cell device after removing the material. The edge deletion module may also include an abrasive element, a portion of which is ground as it is periodically, laterally advanced toward the grinding wheel device. A controller is provided for controlling the operation and function of various facets of the module.

US Patent:

20130021730, Jan 24, 2013

Filed:

Jul 17, 2012

Appl. No.:

13/551003

Inventors:

Anthony Charles Martin - Santa Rosa CA, US
Martin Fornage - Petaluma CA, US
Ho Gene Choi - Petaluma CA, US

Assignee:

Enphase Energy, Inc. - Petaluma CA

International Classification:

H05K 7/00

US Classification:

36167901

Abstract:

An apparatus for mounting a power module. In one embodiment, the apparatus comprises a plurality of mounting points that (i) are flexibly connected to one another and (ii) flexibly mount the power module proximate a photovoltaic (PV) module.

US Patent:

20150365048, Dec 17, 2015

Filed:

Aug 24, 2015

Appl. No.:

14/833709

Inventors:

- Petaluma CA, US
Martin Fornage - Petaluma CA, US
Ho Gene Choi - Petaluma CA, US

International Classification:

H02S 40/32
F16M 13/02
H01R 24/60
H02S 40/34

Abstract:

An apparatus and system for flexibly mounting a power module to a photovoltaic (PV) module. In one embodiment, the apparatus comprises a plurality of distributed mounting points adapted to be adhered to a face of the PV module for mechanically coupling the power module to the PV module, wherein the plurality of distributed mounting points flexibly retain the power module such that the PV module is able to flex without subjecting the power module to stress from flexure of the PV module.

US Patent:

20140203646, Jul 24, 2014

Filed:

Jan 22, 2014

Appl. No.:

14/160913

Inventors:

- Petaluma CA, US
Ho Gene Choi - Petaluma CA, US
Mark Baldassari - Santa Rosa CA, US

Assignee:

Enphase Energy, Inc. - Petaluma CA

International Classification:

H02J 3/26

US Classification:

307 52

Abstract:

A method and apparatus for power imbalance correction comprising: a plurality of converters for converting a plurality of DC inputs to a multi-phase AC output, and coupling the multi-phase AC output to a multi-phase AC line, and a controller coupled to the plurality of converters. The controller determining whether phases of the multi-phase AC output are balanced, and controlling when all phases of the multi-phase AC output are not balanced, at least one converter of the plurality of converters to balance the multi-phase AC output.