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Clayton L Holstun

from Escondido, CA
Age ~66
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Also known as:
Clayton L Holston, Clayton Holstum, Holston Clayton
Phone and address:
1416 Idaho Ave, Escondido, CA 92027
(760) 505-7505
Related to:
Maria G Castellanos, 71Stephen C Lowe, 42Kellie L Stawicki, 65Matty J Stawicki, 69Sonia Z Stawicki, 91Hannah StawickiWhitney Castellanos, 38Erin L Holstun, 40Michael W Stawicki, 66Matty Stawicki
Connected to:
Mike Holstun, 45Katherine E Holsworth, 65Maryanne Holsworth, 65Severin H Holsworth, 33Adele L Holt, 64Afefe H Holt, 51Al Holt, 67Alberta L Holt, 84Aleecia T Holt, 35Alena K Holt, 52

Clayton Holstun Phones & Addresses

  • 1416 Idaho Ave, Escondido, CA 92027 (760) 505-7505
  • 758 Hastings Ct, San Marcos, CA 92069 (760) 591-9887
  • San Diego, CA
  • 1416 Idaho Ave, Escondido, CA 92027

Work

Company: Hewlett-packard 1980 Address: Greater San Diego Area Position: Senior research & development engineer

Education

Degree: Certificate School / High School: University of California, San Diego 1999 to 2000 Specialities: Engineering Management

Skills

Inkjet • MEMS • Design of Experiments • R&D • Design for Manufacturing

Industries

Printing

Resumes

Resumes

Clayton Holstun Photo 1

Complex System Integrator

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Position:
Senior Research & Development Engineer at Hewlett-Packard, Complex System Integrator at HP, System Test Engineer at Hewlett-Packard, MEMS Printhead Architect at Hewlett-Packard
Location:
Greater San Diego Area
Industry:
Printing
Work:
Hewlett-Packard - Greater San Diego Area since 1980
Senior Research & Development Engineer
HP since 1980
Complex System Integrator
Hewlett-Packard - Greater San Diego Area since Jun 1980
System Test Engineer
Hewlett-Packard - Greater San Diego Area since Jun 1980
MEMS Printhead Architect
Education:
University of California, San Diego 1999 - 2000
Certificate, Engineering Management Washington University in St. Louis 1976 - 1980
BS, Mechanical Engineering
Skills:
Inkjet
MEMS
Design of Experiments
R&D
Design for Manufacturing

Publications

Us Patents

Varying The Operating Energy Applied To An Inkjet Print Cartridge Based Upon The Operating Conditions

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US Patent:
6334660, Jan 1, 2002
Filed:
Oct 31, 1998
Appl. No.:
09/183949
Inventors:
Clayton L. Holstun - San Marcos CA
Tina R Fuchs - Las Flores CA
Assignee:
Hewlett-Packard Company - Palo Alto CA
International Classification:
B41J 2938
US Classification:
347 19, 347 14, 347190
Abstract:
Disclosed is a method of operating an inkjet printer having one or more inkjet print cartridges installed in the printer, wherein the printer is capable of operating under varying operating conditions and in a plurality of different printmodes, including obtaining a value for the common parasitic resistances and a base operating voltage setting for the inkjet printer when a predetermined number of possible resistors on the print cartridge are firing during a given period of time, determining an actual number of resistors firing on the print cartridge during the given period of time, adjusting the base operating voltage setting to a selected voltage setting based on the results of said obtaining step and said determining step and operating the printer using the selected operating voltage setting for the print cartridge.

Alignment Of Ink Dots In An Inkjet Printer

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US Patent:
6367903, Apr 9, 2002
Filed:
Nov 24, 1998
Appl. No.:
09/199882
Inventors:
Paul D. Gast - Camas WA
James L. McCullough - San Diego CA
Albert Serra - Barcelona, ES
Xavier Gros - Barcelona, ES
Jose J Doval - Escondido CA
Stefano Schiaffino - Menlo Park CA
Ronald A. Askeland - San Diego CA
Clayton L. Holstun - San Marcos CA
Scott Norum - La Jolla CA
Assignee:
Hewlett-Packard Company - Palo Alto CA
International Classification:
B41J 2938
US Classification:
347 9, 347 19
Abstract:
A misalignment compensation technique for a dot printer is disclosed. This technique first supplies printing instructions to a printhead for energizing printing elements in various groups (primitives) to print a pattern on a medium. The printed pattern is then detected by optical sensors in the printer. Based on the detection, a position offset error for each primitive is determined. These errors are used to generate a separate time correction for each of the primitives such that, when the printer is used normally, the time period for printing a dot will be advanced or delayed for each primitive so as to align the dots printed by the primitives. In another embodiment, alignment data taken by a manufacturing line sensor is stored in a memory on the print cartridge. After the print cartridge is installed in the printer, a second optical test completes the data needed to create timing correction values.

Independent Power Supplies For Color Inkjet Printers

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US Patent:
6386674, May 14, 2002
Filed:
Oct 29, 1999
Appl. No.:
09/429942
Inventors:
John M Wade - Poway CA
Pere Esterri - Barcelona, ES
Clayton L Holstun - San Marcos CA
Glenn T Haddick - San Diego CA
Jeffery S Beck - Corvallis OR
Dennis J. Schloeman - Corvallis OR
Assignee:
Hewlett-Packard Company - Palo Alto CA
International Classification:
B41J 29393
US Classification:
347 19, 347 12, 347 43
Abstract:
An inkjet printing system having multiple independent power supplies for providing firing energy to the ink ejection elements of one or more printheads. Different ones of the power supplies can be connected to different print cartridges each of which prints a different color ink; to different arrays of ink ejection elements within a single print cartridge, where each array prints a different color ink; or to different sections of the ink ejection element array of a single printhead for a single color ink. The output of each power supply is independently set to an appropriate voltage level for each different print cartridge, ink ejection element array, or section of an array.

Barrier Adhesion By Patterning Gold

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US Patent:
6386687, May 14, 2002
Filed:
Jun 5, 2001
Appl. No.:
09/875373
Inventors:
Clayton L. Holstun - San Marcos CA
Assignee:
Hewlett-Packard Company - Palo Alto CA
International Classification:
B41J 205
US Classification:
347 63
Abstract:
An ink jet printhead including a thin film substructure including a plurality of elongated gold traces having openings formed therein. An ink barrier layer is disposed on the thin film substructure in contact with the gold traces and the regions exposed by the openings in the elongated gold traces. The openings are configured to provide for reliable adhesion between the ink barrier layer and the regions exposed by the openings in the elongated gold traces.

Bi-Directional Printmode For Improved Edge Quality

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US Patent:
6464316, Oct 15, 2002
Filed:
Apr 30, 2001
Appl. No.:
09/846484
Inventors:
Ronald A. Askeland - San Diego CA
Matthew D Giere - San Diego CA
Clayton L. Holstun - San Marcos CA
Assignee:
Hewlett-Packard Company - Palo Alto CA
International Classification:
B41J 2938
US Classification:
347 9, 347 14
Abstract:
A method for incremental printing with an inkjet swath printer by ejecting drops of an ink from a printhead while scanning the printhead over a print medium, including determining a first edge and a second edge of each pixel in each row with respect to a first scanning direction. Moving the printhead in the first scanning direction while ejecting the drops of ink on the first edge of the pixels at a first firing frequency and on the second edge of the pixels at a second firing frequency and moving the printhead in a second direction opposite to the first scanning direction while ejecting the drops of ink on the second edge of the pixels at the first firing frequency and on the first edge of the pixels at the second firing frequency. Also a printing system for ejecting ink drops onto a medium, which includes a mechanism for scanning a carriage through a print zone over the medium, a printhead mounted on the carriage, the printhead having ink firing elements for ejecting an ink, and a controller for determining a first edge an d a second edge of each pixel in each row with respect to a first scanning direction; the controller causing the carriage to scan the printhead in a first scanning direction while ejecting the drops of ink on the first edge of the pixels at a first firing frequency and on the second edge of the pixels at a second firing frequency; and the controller causing the carriage to scan the printhead in a second scanning direction opposite to the first scanning direction while ejecting the drops of ink on the second edge of the pixels at the first firing frequency and on the first edge of the pixels at the second firing frequency.

Inkjet Printing With Uniform Wear Of Ink Ejection Elements And Nozzles

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US Patent:
6565190, May 20, 2003
Filed:
Jun 14, 1995
Appl. No.:
08/490268
Inventors:
Gary M. Nobel - San Diego CA
Nicholas Nicoloff, Jr. - La Mesa CA
Thomas M. Sabo - San Diego CA
Clayton L. Holstun - San Marcos CA
Assignee:
Hewlett-Packard Company - Palo Alto CA
International Classification:
B41J 2145
US Classification:
347 40
Abstract:
In one embodiment of the invention, an inkjet printer selectively energizes ink ejection elements in a scanning printhead such that the top nozzles of the printhead do not always print the first line of text in a scan. In one embodiment, this is accomplished by occasionally aligning the bottommost nozzle in the printhead with the bottom of the last full line of text to be printed during the scan. The alignment of the printhead with respect to the lines of text to be printed is varied from page to page or varied at other intervals so that the top nozzles and bottom nozzles are used about equally. This will also cause more uniform wear of the middle nozzles. The more uniform wearing of the nozzles and ink ejection elements extends the life of the printhead. In inkjet printers using a black ink printhead which has a wider printing swath than one or more color ink printheads in the same scanning carriage, a new printing technique makes use of the nozzles in the wider printhead which extend beyond the shorter printhead when both printheads are being used during color printing.

Inkjet Printhead Assembly Having Very High Nozzle Packing Density

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US Patent:
6543879, Apr 8, 2003
Filed:
Oct 31, 2001
Appl. No.:
09/999354
Inventors:
James A. Feinn - San Diego CA
Winthrop D. Childers - San Diego CA
Clayton L. Holstun - San Marcos CA
Lawrence H. White - Corvallis OR
Matthew D. Giere - San Diego CA
Colin C. Davis - Corvallis OR
Assignee:
Hewlett-Packard Company - Palo Alto CA
International Classification:
B41J 215
US Classification:
347 40, 347 12
Abstract:
An inkjet printhead assembly includes a substrate having an ink feed slot formed therein including a first side and second side along a vertical length of the ink feed slot. A first column of drop generators is formed along the first side of the ink feed slot. A second column of drop generators is formed along the second side of the ink feed slot. Each drop generator includes a nozzle. A nozzle packing density for nozzles in the first and second columns of drop generators including the area of the ink feed slot is at least approximately 100 nozzles per square millimeter (mm ).

Barrier Adhesion By Patterning Gold

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US Patent:
6561630, May 13, 2003
Filed:
Apr 12, 2002
Appl. No.:
10/121402
Inventors:
Clayton L. Holstun - San Marcos CA
Assignee:
Hewlett-Packard Development Company, L.P. - Houston TX
International Classification:
B41J 205
US Classification:
347 63
Abstract:
An ink jet printhead including a thin film substructure including an elongated gold trace having openings formed therein. An ink barrier layer is disposed on the thin film substructure in contact with the gold trace and the regions exposed by the openings in the elongated gold trace. The openings are configured to provide for reliable adhesion between the ink barrier layer and the regions exposed by the openings in the elongated gold trace.
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Clayton L Holstun from Escondido, CA, age ~66 Get Report