Pin Insertion Tool
Original Publication Date: 1978-Jan-01
Included in the Prior Art Database: 2005-Feb-20
When using "wire yourself" VTL (vendor transistor logic) circuit cards, it is necessary to insert and solder a .025" printed-circuit pin in each 1/0 (input-output) position across the bottom of the card. The number of pins required varies according to the card size. Due to the close proximity of each pin to its adjacent pin, i.e., spacing on the order of .075 inch, it is important that each pin be inserted as straight as possible and parallel to the adjacent pin. After insertion, electrical connection is conventionally made with 30 gauge insulated wire using a wire wrap technique. Soldering a printed-circuit pin of such a small size requires a secure holder to insure the proper solder joint and, at the same time, to ensure accurate positioning.