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  • Users: gphatch
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  1. gphatch

    Residual magnetism

    Can anyone give me an idea of the level of residual magnetism found in some pipes that have been worked repeatedly, due to the earth's magnetic field? Gareth P. Hatch, Ph.D. Director of Technology Dexter Magnetic Technologies http://www.dextermag.com
  2. gphatch

    Help with very basic SQL queries

    Hi there - it's been so long since I did a SQL query that I've forgot what I need to do here... I have three tables in an MS Access database: 1) "Name" with columns "NameID" and "Name". 2) "Category" with columns "CategoryID", "Category" and "Added?". 3) "Link" with columns "LinkID", "NameID"...
    • gphatch
    • Thread
    • Replies: 10
    • Forum: SQL
  3. gphatch

    DIN standard 2449

    Can anyone point me to standard DIN 2449 for steel piping, published in English? Thanks Gareth P. Hatch, Ph.D. Director of Technology Dexter Magnetic Technologies http://www.dextermag.com
  4. gphatch

    Material Selection for Cooling Plate

    We are looking to use a material in a special cooling plate for a vacuum application. It must have the following characteristics: 1) Non-magnetic [key criteria]. 2) Really low electrical conductivity. 3) Really high thermal conductivity. 4) Really high tensile strength. 5) Non-outgassing. 6)...
  5. gphatch

    Obtaining boride powders

    I am trying to get someone to supply me small amounts of borides such as La-B6 and Ce-B6, but Goodfellows and ESPIMetals both no quoted. Anyone know of someone else I could go to? Thanks Gareth Hatch
  6. gphatch

    Looking for a high voltage, high temp capacitor

    A colleague of mine is looking for a high voltage, high temp radial capacitor they need to finish a prototype board. We found one for them already, but we're having no luck on a Kemet (formerly K-D) ceramic cap p/n 05HV14B394K. It's a leaded ceramic cap, 500V, .120uF with .500 spacing between...

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