Ball Aerospace & Technologies Corp.

Matsushita-kotobuki Electronics, Industries, Ltd.

John C Fleming

Bevan D Staple

Matthew L Gross

Francis Campos

Robert B Chesnutt

Charles Partee

John P Biesecker

Mike Jennison

Beth H Kelsic

Pierre Asselin

Steve Sanders

Sandra R Collins

Jerold L Cole

A calibration system for sensors is provided. The calibration system includes an array of blackbody elements. Each blackbody element includes a high emissivity surface. The high emissivity surface can be formed using carbon nanotubes. In addition, each blackbody element includes a heating element and a temperature sensor. The heating element is operated to bring the blackbody element to a set point temperature, as determined by the temperature sensor. As an example, the calibration system can be used in connection with sensors sensitive to infrared wavelengths that is carried by a satellite or other platform.

Calibration system and method

A head structure for writing data on a magnetic media including a first pole having an upper surface and a write gap covering a portion of the upper surface. An upper pole tip formed on the write gap having a first width. A second pole having a second width greater than the first width and coupling to an upper surface of the upper pole tip. A conductive coil magnetically coupled to the first pole and the second pole to induce magnetic flux within the first and second pole in response to a current flowing in the coil.

Method and structure for defining track width on a recording head

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Boulder, CO, United States of America

John C Fleming