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US 2022/0102187 A1Published application
Die bonding system with heated automatic collet changer
AssigneeMRSI Systems LLC
InventorsNicholas Samuel Celia, Jr., Cyriac Devasia
Life of this patent
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Abstract
A die bonding system comprising a heated bond head with the ability to heat up and cool down quickly, change tips to handle different sized dies, and load and unload tips automatically while maintaining the precision required to handle dies smaller than 200 um2.
Claims23
1-9. (canceled)
A die heater, the die heater comprising:
- a central, heater portion configured to heat;
- and
- a plurality of rods fixed to said central, heater portion, said rods being configured to allow said central heater portion to be retained,
- wherein said plurality of rods are evenly and concentrically disposed about a central axis of the die heater.
1 more element
19-22. (canceled)
A die bonding system, the system comprising:
- a die heater comprising a central projection surrounded by a trough, the die heater further comprising at least two vacuum ports in communication with a vacuum source, a first vacuum port disposed with the trough and configured to retain a tip and a second vacuum port disposed substantially centrally on said central projection, the second vacuum port being configured to provide vacuum to the tip;
- and
- a plurality of pockets configured to retain die-specific tips for use by the die heater, the die heater being further configured to pick and return tips to pockets,
- wherein the tip is configured to interface with a die or dies to be picked and placed and retain them by vacuum.
1 more element
30-31. (canceled)
A die bonding system, the system comprising:
- a die heater comprising a central projection surrounded by a trough, the die heater further comprising at least two vacuum ports in communication with a vacuum source, a first vacuum port disposed with the trough and configured to retain a tip and a second vacuum port disposed substantially centrally on said central projection, the second vacuum port being configured to provide vacuum to the tip;
- a plurality of pockets configured to retain die-specific tips for use by the die heater, the die heater being further configured to pick and return tips to pockets;
- and
- a plurality of rods fixed to said die heater, said rods being configured to allow said die heater to be retained,
- wherein said plurality of rods are evenly and concentrically disposed about a central axis of the die heater, and
- wherein the tip is configured to interface with a die or dies to be picked and placed and retain them by vacuum.
3 more elements
Dependencies are inferred from the claim text.