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4" Polishing Fixture With Vacuum Jig for Precision & Automatic Thinning and Polishing- EQ-PF-4-1P


In stock
Item Number: PF4P
Features
  
  • Precision Polishing Jig for accurate wafer/substrate polishing and back-thinning
  • Thickness control screw fixture with a resolution of 0.005 mm to limit stock remove
  • This Polishing fixture can be fit with Unipol 1202 and 1502 and any precision 12" or larger polishing machine with yoke support to achieve automatic polishing or lapping
  • Super-hard tungsten alloy is welded on the bottom of the jig for polishing resistible
  • Maximum sample thickness: 13mm
  • Maximum travel distance: 14mm
Sample Holder Vacuum chuck

  • The maximum size of a wafer or substrate is 4" diameter
  • If the thickness of the sample is greater than 0.15 mm, adopt vacuum absorption. If the thickness is less than 0.15 mm, please use wax
Digital Micrometer
  • One digital micrometer is included with a resolution of +/- 1 micron for more accurate lapping.
Pressure Indicator

  • One digital balance is included for measuring the fixture weight ( pressure ) 
  • Weight can be adjusted by screws while measuring on the digital balance from 1g to 2000g.
Vacuum Absorption and Filter
  • Require a vacuum pump with a rate > 70 L/ min.
  • To protect the vacuum pump from any moisture and liquid, connect the filter between the fixture and the pump
  •   
Application notes
This fixture also can polish < 4" wafer via the blue tape method
  • Cut a 4 " diameter blue tape, then stick the 2- 3" wafer or < 4" irregular substrate on the tape
  • Then put the 4" blue tape with the wafer to vacuum the chunk
Size O.D: 146mm; Height: 266mm
Operational Instructions   
Application Notes Please click here to download how to use this fixture.
This fixture also can polish < 4" wafer via the blue tape method
  • Cut a 4 " diameter blue tape, then stick the 2- 3" wafer or < 4" irregular substrate on the tape
  • Then put the 4" blue tape with the wafer to vacuum the chunk
Optional Accessories A vacuum pump is required for vacuum absorption, please order separately.
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1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.