Metal working – Means to assemble or disassemble – Means to assemble electrical device
Reexamination Certificate
2000-07-28
2003-05-06
Look, Edward K. (Department: 3729)
Metal working
Means to assemble or disassemble
Means to assemble electrical device
C029S833000, C029S743000
Reexamination Certificate
active
06557247
ABSTRACT:
FIELD OF THE INVENTION
The invention relates to component placement apparatus, particularly, but not exclusively, to apparatus for placing microchips on printed circuit boards.
BACKGROUND
Prior art apparatus for placing components such as microchips onto, for example, a printed circuit board comprise a pick and place head that moves to pick up the component from a component carrying means and then moves from that position to a position over the printed circuit board such that the pick and place head can then place the component on the printed circuit board. This requires considerable accuracy in the positioning of the pick and place head over the component carrying means and the printed circuit board. Additionally, the process is slow.
The prior art apparatus has the problem of being unable to provide a component placement apparatus that is sufficiently accurate and that can be operated at a sufficiently high speed for some purposes.
SUMMARY OF THE INVENTION
The invention provides a component placement apparatus comprising:
a head mount having at least one pick and place head;
component carrying means; and
component receiving means, the at least one pick and place head being arranged to pick up a component from the component carrying means and place it on the component receiving means, characterized in that:
the head mount is movable to move the at least one pick and place head in a single plane;
the component carrying means is movable in a plane transverse to the at least one pick and place head at a pick up position; and
the component receiving means is movable in a plane transverse to the at least one pick and place head at a placement position.
REFERENCES:
patent: 4520557 (1985-06-01), Harigane et al.
patent: 4748740 (1988-06-01), Buck et al.
patent: 4763400 (1988-08-01), Deckers
patent: 5042709 (1991-08-01), Cina et al.
patent: 5495661 (1996-03-01), Gromer et al.
patent: 36 23 031 (1988-01-01), None
patent: 40 22 316 (1992-01-01), None
patent: 0 190 372 (1986-08-01), None
patent: 0 401 405 (1990-12-01), None
Leslie Michael
Look Edward K.
Piper Rudnick LLP
Technology Development Associate Operations Limited
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