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Ralph H Schaeffer, 93815 E State St, Boise, ID 83712

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815 E State St, Boise, ID 83712    208-3444317   

Arlington, TX   

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Acworth, GA   

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Boise, ID
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Us Patents

Selectively Configurable Microelectronic Probes

US Patent:
6924653, Aug 2, 2005
Filed:
Aug 26, 2002
Appl. No.:
10/228116
Inventors:
Ralph Schaeffer - Boise ID, US
Brett Crump - Boise ID, US
Assignee:
Micron Technology, Inc. - Boise ID
International Classification:
G01R031/02
US Classification:
324754, 324762
Abstract:
Microelectronic components are commonly tested with probe cards. Certain aspects of the invention provide alternative probes, probe cards, and methods-of testing microelectronic components. In one specific example, a probe card includes a base and a probe carried by the base. An actuator is associated with the probe and is adapted to selectively position the probe with respect to an electrical contact on the microelectronic component. A test power circuit is coupled to the first probe and adapted to deliver test power to the first probe. In one exemplary method, a microelectronic component is tested by contacting each of a plurality of second probes carried by the probe card to one of a plurality of spaced-apart second contacts on the microelectronic component, thereby aligning each of the first probes with a first contact of the microelectronic component. The second probes may then be moved out of contact with the second contacts while keeping the base of the probe card stationary with respect to the microelectronic component.

Selectively Configurable Probe Structures, E.g., For Testing Microelectronic Components

US Patent:
6952109, Oct 4, 2005
Filed:
Sep 2, 2004
Appl. No.:
10/933788
Inventors:
Ralph Schaeffer - Boise ID, US
Brett Crump - Boise ID, US
Assignee:
Micron Technology, Inc. - Boise ID
International Classification:
G01R031/02
US Classification:
324754, 324765
Abstract:
Microelectronic components are commonly tested with probe cards. Certain aspects of the invention provide alternative probes, probe cards, and methods of testing microelectronic components. In one specific example, a probe card includes a base and a probe carried by the base. An actuator is associated with the probe and is adapted to selectively position the probe with respect to an electrical contact on the microelectronic component. A test power circuit is coupled to the first probe and adapted to deliver test power to the first probe. In one exemplary method, a microelectronic component is tested by contacting each of a plurality of second probes carried by the probe card to one of a plurality of spaced-apart second contacts on the microelectronic component, thereby aligning each of the first probes with a first contact of the microelectronic component. The second probes may then be moved out of contact with the second contacts while keeping the base of the probe card stationary with respect to the microelectronic component.

Selectively Configurable Probe Structures, E.g., For Testing Microelectronic Components

US Patent:
6972580, Dec 6, 2005
Filed:
Sep 2, 2004
Appl. No.:
10/934199
Inventors:
Ralph Schaeffer - Boise ID, US
Brett Crump - Boise ID, US
Assignee:
Micron Technology, Inc. - Boise ID
International Classification:
G01R031/00
US Classification:
324754, 324762
Abstract:
Microelectronic components are commonly tested with probe cards. Certain aspects of the invention provide alternative probes, probe cards, and methods of testing microelectronic components. In one specific example, a probe card includes a base and a probe carried by the base. An actuator is associated with the probe and is adapted to selectively position the probe with respect to an electrical contact on the microelectronic component. A test power circuit is coupled to the first probe and adapted to deliver test power to the first probe. In one exemplary method, a microelectronic component is tested by contacting each of a plurality of second probes carried by the probe card to one of a plurality of spaced-apart second contacts on the microelectronic component, thereby aligning each of the first probes with a first contact of the microelectronic component. The second probes may then be moved out of contact with the second contacts while keeping the base of the probe card stationary with respect to the microelectronic component.

Selectively Configurable Probe Structures, E.g., For Testing Microelectronic Components

US Patent:
7145355, Dec 5, 2006
Filed:
May 19, 2005
Appl. No.:
11/133850
Inventors:
Ralph Schaeffer - Boise ID, US
Brett Crump - Boise ID, US
Assignee:
Micron Technology, Inc. - Boise ID
International Classification:
G01R 31/02
US Classification:
324754, 324762
Abstract:
Microelectronic components are commonly tested with probe cards. Certain aspects of the invention provide alternative probes, probe cards, and methods of testing microelectronic components. In one specific example, a probe card includes a base and a probe carried by the base. An actuator is associated with the probe and is adapted to selectively position the probe with respect to an electrical contact on the microelectronic component. A test power circuit is coupled to the first probe and adapted to deliver test power to the first probe. In one exemplary method, a microelectronic component is tested by contacting each of a plurality of second probes carried by the probe card to one of a plurality of spaced-apart second contacts on the microelectronic component, thereby aligning each of the first probes with a first contact of the microelectronic component. The second probes may then be moved out of contact with the second contacts while keeping the base of the probe card stationary with respect to the microelectronic component.

Selectively Configurable Probe Structures, E.g., Selectively Configurable Probe Cards For Testing Microelectronic Components

US Patent:
7170304, Jan 30, 2007
Filed:
Jul 28, 2005
Appl. No.:
11/192147
Inventors:
Ralph Schaeffer - Boise ID, US
Brett Crump - Boise ID, US
Assignee:
Micron Technology, Inc. - Boise ID
International Classification:
G01R 31/02
US Classification:
324754, 324762
Abstract:
Microelectronic components are commonly tested with probe cards. Certain aspects of probes, probe cards, and methods of testing microelectronic components are discussed herein. In one specific example, a probe card includes a base and a probe carried by the base. An actuator is associated with the probe and is adapted to selectively position the probe with respect to an electrical contact on the microelectronic component. A test power circuit is coupled to the first probe and adapted to deliver test power to the first probe. In one exemplary method, an actuator is actuated to move the probe from a first probe arrangement to a second probe arrangement.

Systems And Methods For Sensing Obstructions Associated With Electrical Testing Of Microfeature Workpieces

US Patent:
2007004, Mar 1, 2007
Filed:
Sep 1, 2005
Appl. No.:
11/217747
Inventors:
Ralph Schaeffer - Boise ID, US
Andrew Krivy - Boise ID, US
Assignee:
Micron Technology, Inc. - Boise ID
International Classification:
G01R 31/26
US Classification:
324765000
Abstract:
Systems and methods for sensing obstructions associated with electrical testing of microfeature workpieces are disclosed. An apparatus in accordance with one embodiment includes a first support member configured to releasably carry a microfeature workpiece, a second support member positioned proximate to the first support member and configured to carry an electrical testing device, wherein at least one of the first and second support members is movable toward and away from the other. The apparatus can further include a signal source (e.g., radiation source) positioned proximate to the support member, and a signal sensor (e.g., a radiation sensor) positioned at least proximate to the first support member and the signal source. The signal sensor can be configured to received at least a portion of the signal directed by the signal source and passing proximate to the first support member. Accordingly, the signal source and signal sensor can be used to detect obstructions carried by the first support member and/or the microfeature workpiece.

Method And Apparatus To Display Processing Parameter

US Patent:
6446021, Sep 3, 2002
Filed:
Feb 27, 1998
Appl. No.:
09/032621
Inventors:
Ralph H. Schaeffer - Boise ID
Assignee:
Micron Technology, Inc. - Boise ID
International Classification:
G06F 1900
US Classification:
702118, 702 81, 702 84, 700121
Abstract:
A system and method that provides various forms of graphic representations of test results of manufacturing process runs which can readily be shared with multiple users of the system is disclosed. A method for reporting a test process of a plurality of cells, wherein the test process is performed in a series of runs is disclosed. The method includes four steps. First, data regarding the test process for the plurality of cells is gathered. The data is accumulated over the series of runs. Next, the data is characterized to create a set of selected information. The set of selected information includes a subset of the data regarding the test process for the plurality of cells. The method also includes the steps of generating a user-consumable output of the set of selected information, and providing access to the data, the set of selected information, and the user-consumable output. The step of generating a user consumable output includes generating a map or generating a graph.

Public records

Vehicle Records

Ralph Schaeffer

Address:
6368 S Peppertree Ave, Boise, ID 83716
Phone:
208-8902559
VIN:
4S4BP62C977341215
Make:
SUBARU
Model:
OUTBACK
Year:
2007

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