Browse Prior Art Database

Linear Chip Carrier

IP.com Disclosure Number: IPCOM000076921D
Original Publication Date: 1972-May-01
Included in the Prior Art Database: 2005-Feb-24
Document File: 2 page(s) / 67K

Publishing Venue

IBM

Related People

Altonen, RW: AUTHOR [+2]

Abstract

Holders for integrated circuit chips must not only meet the requirements of a good package for the chip, but must meet the requirements of ease of accessibility and removal of the chip for subsequent mounting on a substrate and the like.

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 74% of the total text.

Page 1 of 2

Linear Chip Carrier

Holders for integrated circuit chips must not only meet the requirements of a good package for the chip, but must meet the requirements of ease of accessibility and removal of the chip for subsequent mounting on a substrate and the like.

To this end, and referring to the drawings, a plurality of channel-like cartridges 10 are illustrated in Fig. 2, a typical enlarged fragmentary cross section of a portion of the cartridge and a pickup head is illustrated in Fig. 1. The cartridge or channel includes an opening 11 in the upper surface 12 and a cover 13 which may be slideably disposed over the opening, the rearward movement of the cover being predetermined by a stop or the like 14 disposed in the upper surface 12. Interiorly of the channel or cartridge is a pad stop 15 which serves to engage the pads 16 on a chip 17, the stop being positioned on the lower surface 18 of the cartridge 10.

When it is desired to remove a chip from the cartridge, the cartridge may be advanced in the direction of the arrow 19, the cover 13 being engaged by a pin 21 depending from a nozzle block 20 through which a vacuum pickup probe 22 is placed. If the cartridge is disposed at an angle, such as illustrated in Fig. 2, the chip 17 will move downwardly on the lower surface until the pad engages the stop 15, and then simple reciprocation of the probe 22 will effect elevation of and clearance from the channel of the chip 17. As illustrated, the pickup probe may be mounted...