File:Cermets 4 High Temperature Firing of Steatite Chip placing substrate in firing kilns 2012 002 5979.tiff

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High Temperature Firing_of Steatite Chip   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Photographer
Herb Radin and Associates
Title
High Temperature Firing_of Steatite Chip
Description

4. Trays containing the "green" substrates are placed into large ceramic kilns for an initial firing. Programmed electronic controls automatically cycle the firing temperatures from ambient to approximately 2,400°F. By carefully controlling the raw material processes and pressing operation, substrate dimensional tolerances after firing are held to within +/- 0.0015". After firing, the substrates are tumbled to remove fired flash and sharp edges. The substrate surface is now ready to receive the resistive and conductive materials.

Published without a copyright notice in "The making of a cermet trimmer, 1966" in Beckman Instruments' newsletter Helinews, number 36, Spring 1966, pp. 4-5. Part of a two-page spread detailing the process of manufacturing cermet trimmers.
Date 1966
date QS:P571,+1966-00-00T00:00:00Z/9
institution QS:P195,Q5090408
Accession number
Beckman Historical Collection
Credit line Science History Institute.
Notes Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.
Source https://digital.sciencehistory.org/works/9019s324t
Permission
(Reusing this file)
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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current19:25, 17 April 2020Thumbnail for version as of 19:25, 17 April 20201,064 × 679 (2.76 MB)Mary Mark Ockerbloom (talk | contribs)== {{int:filedesc}} == {{Photograph |photographer = Herb Radin and Associates |title = High Temperature Firing_of Steatite Chip |description = 4. Trays containing the "green" substrates are placed into large ceramic kilns for an initial firing. Programmed electronic controls automatically cycle the firing temperatures from ambient to approximately 2,400°F. By carefully controlling the raw material processes and pressing operation, substrate dimensional to...

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