Title
IngotCatalog Number
102757103Type
Physical ObjectDescription
This is a cylindrical chunk of boron doped silicon ingot. The endcaps have sealed with brown wax. The tag with it says it is P-type, with a 1-1-1 crystal orientation with resistivity of 5.5 at the top and 4.9 at the bottom. It was delivered to ITT Components Division.There is a white paper label wrapped around the middle with initial KEP, a number, and the weight (units unspecified).
Date
circa 1962Manufacturer
Knapic Electro-PhysicsPlace Manufactured
Palo Alto, CAIdentifying Numbers
Other number | 52.5 | Weight (unit unspecified) written in pen on label and on tag |
Other number | E3751 | Ingot number written in pen on label and on tag |