Vacuum pencil holder with turnable wand stand

Details Vacuum pencil holder with turnable wand stand Vacuum pencil holder with turnable wand stand

1996-08-16

1998-05-19

Ramirez, Ramon O.

Supports

Brackets

Specially mounted or attached

2482194, 2481257, 403 49, 403175, E04G 300

Patent

active

057526850

ABSTRACT:
A vacuum pencil holder for holding a vacuum pencil used for picking up semiconductor dies or chips during fabrication of integrated circuit devices. The vacuum pencil holder has a wand stand adjustable in angular position about an elongated supportive member to which it is fastened, so that a vacuum pencil placed on the wand stand can always be turned to a position within reach of a fabrication engineer. The vacuum pencil holder includes a curved piece integrally joined to the wand stand. A pair of bearing members, each of which is substantially half-cylinder shaped, are attached to opposite sides of the elongated supportive member so as to form a cylindrical bearing member surrounding the elongated supportive member. The curved piece is slidably inset in slots formed on the curved surface of the two bearing members. The vacuum pencil holder can thus be turned about the elongated supportive member, allowing the wand stand to be adjusted in position.

REFERENCES:
patent: 3923278 (1975-12-01), Marcil
patent: 5273246 (1993-12-01), Stahara et al.
patent: 5409190 (1995-04-01), Mattox
patent: 5575580 (1996-11-01), Parrish et al.
patent: 5605410 (1997-02-01), Pantev

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