Characterization of printing and laser trimming of DuPont 2000 series resistors on DuPont 951 {open_quotes}Green Tape{trademark}{close_quotes}

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Description

DuPont 2000 series resistors were reviewed and found to come closest to our requirement of 1% resistor tolerance over the expected 30-year life of our products. The evaluation performed involved the characterization of both the printing and trimming processes. The printing process was characterized for firing temperature print thickness, print direction, resistor geometry and encapsulant effect. Laser trimming was characterized by first finding an operating envelope and then selecting an operating point. The envelope was located by varying the trimming parameters and determining their acceptability to electrical and visual criteria. Samples from both the envelope and operating point were environmentally ... continued below

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10 p.

Creation Information

Morgenstern, H.; Bandler, S. & Barner, G. October 1, 1996.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 26 times , with 6 in the last month . More information about this article can be viewed below.

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  • Allied-Signal Aerospace Company
    Publisher Info: Allied-Signal Aerospace Co., Kansas City, MO (United States). Kansas City Div.
    Place of Publication: Kansas City, Missouri

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Description

DuPont 2000 series resistors were reviewed and found to come closest to our requirement of 1% resistor tolerance over the expected 30-year life of our products. The evaluation performed involved the characterization of both the printing and trimming processes. The printing process was characterized for firing temperature print thickness, print direction, resistor geometry and encapsulant effect. Laser trimming was characterized by first finding an operating envelope and then selecting an operating point. The envelope was located by varying the trimming parameters and determining their acceptability to electrical and visual criteria. Samples from both the envelope and operating point were environmentally conditioned The conditioning included thermal shock temperature cycle, 1000-hour temperature aging, 1000-hour humidity aging, and a simulated gold/tin solder reflow.

Physical Description

10 p.

Notes

OSTI as DE97050567

Source

  • PMI `96: Project Management Institute (PMI) annual conference - revolutions, evolutions, projects solutions, Boston, MA (United States), 4-10 Oct 1996

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  • Other: DE97050567
  • Report No.: KCP--613-5769
  • Report No.: CONF-961066--5
  • Grant Number: AC04-76DP00613
  • Office of Scientific & Technical Information Report Number: 416953
  • Archival Resource Key: ark:/67531/metadc677267

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Creation Date

  • October 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Feb. 20, 2017, 3:05 p.m.

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Morgenstern, H.; Bandler, S. & Barner, G. Characterization of printing and laser trimming of DuPont 2000 series resistors on DuPont 951 {open_quotes}Green Tape{trademark}{close_quotes}, article, October 1, 1996; Kansas City, Missouri. (digital.library.unt.edu/ark:/67531/metadc677267/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.