Precision centering device
AssigneeTeledyne, Inc.
InventorMordechai Wiesler
Life of this patent
Estimating the term…
Abstract
A precision centering device with a pair of relatively movable plates forming a guideway for four relatively movable guides. A tapered centering port having a rectangular profile is formed by the guides which are constrained for mutual coacting movement by the plates. The relative positions of the movable plates define the geometric shape of the centering port and the relative locations of the guides determine the size of the centering port. A reciprocating collet configured to carry a semiconductor chip is received within the centering port at the center thereof. As the collet moves downwardly, the chip is guided through the tapered port and is centered on the collet.
Claims12
A precision positioning device comprising:
- (a) a base;
- (b) two plates mounted on said base, said plates mounted for relative movement in side-by-side relationship on said base, an opening defining a guideway formed in said plates, said opening formed between said plates, the profile of said opening governed by the relative position on said plates;
- (c) a plurality of relatively movable guides constrained by said guideway for mutual coacting movement, a port of predetermined geometrical configuration formed by said guides;
- and
- (d) position means connected to at least one of said guides for moving each of said guides, said geometrical configuration of said port governed by the profile of said opening, the size of said port determined by the relative positions of said guides.
A precision positioning device comprising:
- (a) a base;
- (b) at least two plates mounted on said base, said plates mounted for relative movement on said base, said plates forming an opening which defines a guideway, the profile of said opening governed by the relative positions of said plates;
- (c) a plurality of relatively movable guides constrained by said guideway for mutual coacting movement, a port of predetermined geometrical configuration formed by said guides;
- and
- (d) position means operatively connected to at least one of said guides for controlling the relative positions of said guides, said geometrical configuration of said port governed by the profile of said opening, the size of said port determined by the relative positions of said guides.
A precision device for centering a workpiece, said device comprising:
- (a) a base;
- (b) at least one plate mounted on said base, an opening formed in said plate, said opening defining a guideway;
- (c) a plurality of relatively movable guides constrained by said guideway in abutting relationship for mutual coacting movement, a centering port of predetermined geometrical configuration formed by said guides;
- (d) position means connected to at least one of said guides for moving each of said guides, said geometrical configuration of said port governed by the profile of said opening, the size of said port determined by the relative positions of said guides;
- and
- (e) collet means constrained for reciprocating movement within said port at the center thereof, said collet means configured to hold the workpiece.
Dependencies are inferred from the claim text.