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File:GlasGeDiodes v2.jpg

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Description
English: Collection of Germanium Pin Contact Diodes of the 1960's / 1970's

1: AA 119, Manuf. unknown (Valvo?) 2: AA 119, Manuf. TELEFUNKEN 3: AA 118, Manuf. SIEMENS 4: ???, Red-Violet, Manuf. unknown 5: ???, Red, Manuf. unknown 6: ???, Green-Violet, Manuf. unknown 7: Offspec 1 8: Offspec 2

See manufacturing differences:

The Germanium chip is always solded to the contact wire (Kathode).

The thin anode wire is bend one or two times.

The anode wire 

  is bonded to the external contact wire flat face at 2, 3, 4, 7
  is bonded to the external contact wire at side at 1, 5, 6, 8
Shape of the glass housing is different for each. Color of contact wires differ. None if the diodes was manufactured on the same machine.
Date
Source Own work
Author Rolf Süssbrich

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current15:51, 2 July 2011Thumbnail for version as of 15:51, 2 July 20111,500 × 1,086 (328 KB)Rsuessrb (talk | contribs)

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