Logitech WBS7 - Procedure for Wax Mounting with Spin-On Crystalbond

From UCSB Nanofab Wiki
Jump to navigation Jump to search
UnderConstruction.jpg

Work In Progress

This article is still under construction. It may contain factual errors. Content is subject to change.


Draft only - in progress. Based on Don Freeborn's procedure for the Logitech Bonder. -- Demis 2018-10-16
  • Mix a fresh squirt bottle of CrystalBond diluted with Acetone (see Don Freeborn for method).
    • 100 grams of crystalbond, mixed into
    • 200 mL of Acetone, in dedicated squirt bottle
    • Shake/stir to completely dissolve the wax
  • Place 4-inch silicon carrier wafer on POLOS spinner in solvent bench, with non-vacuum 4-inch chuck installed.
  • Set up POLOS recipe
    • Spin at 2000 rpm, there should be a recipe for this, eg. “Backside” recipe.
  • Squirt wax solution onto wafer
  • Press [>] to spin.
    • Optionally dispense during the spin to prevent wax getting on back of wafer
  • Stop dispensing and Press [>] to stop spinning.
  • Clean POLOS Chuck by spinning with no wafer and dispensing ACE via squirt bottle
  • Place wafer Face DOWN and POLOS spin at ~1000-3000rpm while spraying ACE then ISO in wafer center, to clean wax off back side.
  • Place carrier wafer on Logitech bonder surface
  • Place sample to be bonded on top
  • Place 110mm chemical filter paper on top
  • Close lid, secure lid clamp
  • Run recipe:
    • XYZ °C
    • XYZ seconds
    • Vacuum etc.?