Resources Contact Us Home
Apparatus for mounting a flat package type IC

Image Number 6 for United States Patent #5068588.

An apparatus for mounting a flat package type IC on a printed circuit board is disclosed. The apparatus includes: a robot hand for holding the IC; cameras each for taking an image of a part of the IC taking an image of a part of the board, which cameras are fixed to the hand and arranged symmetrically with respect to the rotation axis of the hand; a first processor for obtaining linear deviation and rotational deviation of leads from the images of the IC, and for obtaining linear deviations and rotational deviation of lands from the images of the board; a second processor for obtaining a linear difference between the linear deviations of the IC and board, and for obtaining a rotational difference between the rotational deviations of the IC and board; and a driver for adjusting the position of the IC, by linearly moving the hand by the linear difference, and by rotating the hand by the rotational difference, thereby correctly positioning the leads on the corresponding lands.

  Recently Added Patents
Methods for isolating ligands of the human bitter taste receptor TAS2R49
Photoacoustic joulemeter utilizing beam deflection technique
Cycloalkylamine substituted isoquinoline derivatives
Treatment of diabetes with milk protein hydrolysate
Coordinated garbage collection for raid array of solid state disks
Content distribution system, mobile communication terminal device, and computer readable medium
Paper product with surface pattern
  Randomly Featured Patents
Semiconductor laser module for optical scanner
Friction material having oil localization slots
Medical measuring module used to accumulate patient data
Method for preparation of antihemophilic factor
Illumination level/musical tone converter
Steering assembly supporting structure of a motor vehicle
Corrosion-resistant structure incorporating zinc or zinc-alloy plated lead or lead-alloy wires and method of making same
Tree stand
Apparatus for a tangible interface
Air bag inflator