Michael G Konicek

US Patent:

7675031, Mar 9, 2010

Filed:

May 29, 2008

Appl. No.:

12/129608

Inventors:

Michael Konicek - Santa Clara CA, US
Adrian Land - San Carlos CA, US
Gershon Perelman - Cupertino CA, US
Lee Earley - San Jose CA, US
Mark Hardman - Santa Clara CA, US

Assignee:

Thermo Finnigan LLC - San Jose CA

International Classification:

H01J 49/42
H05H 9/02

US Classification:

250286, 250281, 250282, 250290, 3133601, 31511161

Abstract:

Auxiliary electrodes for creating drag fields may be provided as arrays of finger electrodes on thin substrates such as printed circuit board material for insertion between main RF electrodes of a multipole. A progressive range of voltages can be applied along lengths of the auxiliary electrodes by implementing a voltage divider that utilizes static resisters interconnecting individual finger electrodes of the arrays. Dynamic voltage variations may be applied to individual finger electrodes or to groups of the finger electrodes.

US Patent:

46224688, Nov 11, 1986

Filed:

Jul 15, 1985

Appl. No.:

6/754659

Inventors:

Andrew Stefanski - Menlo Park CA
Alfred H. Sturtevant - Palo Alto CA
Michael G. Konicek - Cupertino CA
Peter E. Lobban - Palo Alto CA

Assignee:

Sequoia-Turner Corporation - Mountain View CA

International Classification:

G01N 2164

US Classification:

2504581

Abstract:

Variations in the intensity of a light source and the sensitivity of a fluorescence detector photo-multiplier tube are simultaneously compensated by measuring the intensity (I. sub. LS1) of the light source at the sample excitation frequency with a silicon detector, measuring the intensity (I. sub. LS2) of the light source at the emission frequency with another silicon detector, measuring with the photo-multiplier detector the intensity (I. sub. S) of the sample's fluorescence and the intensity (I. sub. LS3) of the light source at the emission frequency of the sample and then calculating a value F as representative of the sample's fluorescence according to the formula: ##EQU1##.

US Patent:

48164186, Mar 28, 1989

Filed:

Jul 22, 1985

Appl. No.:

6/757676

Inventors:

Daniel R. Mack - Half Moon Bay CA
Michael G. Konicek - Cupertino CA

Assignee:

Sequoia-Turner Corporation - Mountain View CA

International Classification:

G01N 3500
G01N 3502
G01N 3506

US Classification:

436518

Abstract:

Methods and apparatus useful in automated performance of immunoassays, in some preferred embodiments, relying upon the sandwich immunoassay technique, are described. Each rack of reaction tubes is uniquely identified by an optical identifier disc which is read by the automatic controller. The assays are performed at two stations which configuration thereby permits arrays to be run on a second rack of reaction tubes while the first rack is in process. The cooperation of the identifier disc and the automatic controller minimizes operator error and helps improve the reliability of the data obtained.

US Patent:

20140266232, Sep 18, 2014

Filed:

Mar 13, 2013

Appl. No.:

13/801771

Inventors:

David E. MINKLER - Campbell CA, US
Michael G. KONICEK - Santa Clara CA, US

International Classification:

G01R 31/11

US Classification:

324509

Abstract:

This technology is directed to a method and apparatus for monitoring or testing defects associated with an ion lens connected within a mass spectrometer. In some implementations, the testing mechanism monitors a connection of one or more ion lenses configured in the mass spectrometer to determine if voltage is effectively applied to the ion lens. The testing circuit of the present technology includes at least one Zener diode added to the voltage divider and monitoring a change in slope of the applied voltage versus the voltage at the read-back circuit. The change in slope may be easily measured.