Cleaning Process for Aluminum Wire Bonding Tools

Materials Required

  • Tool Tray
  • Sodium Hydroxide
  • (3) 400 ml glass beakers.
  • Ultrasonic Cleaner
  • Distilled water
  • Isopropyl alcohol
  • Dry compressed air


Step 1 | Step 2 | Step 3 | Step 4 | Note


Step 1

Load all tools in tool tray with the point of the tool up. Do not place tools tip down in tray tip or tool damage will occur. Mix cleaning solution using water and sodium hydroxide. Mix (5) five parts water to (1) one part sodium hydroxide.

Step 2

Place tool tray in 400ml beaker with enough Sodium Hydroxide cleaning solution to cover all tools completely. Place the beaker into the ultrasonic cleaner for approximately (3) three to (5) five minutes.

Step 3

Transfer tool tray from cleaning solution beaker to 400ml beaker of hot water. Place beaker in ultrasonic cleaner for (3) three to (5) five minutes. Repeat this procedure with fresh hot water.

Step 4

Complete the cleaning sequence with an alcohol rinse. Submerge the tool tray (2) two or (3) times in the alcohol solution and then blow-dry with clean dry air.

Warning: Do not use compressed air contaminated with moisture or oil.


It’s important to insure the tools are properly secured during the ultrasonic cleaning process. Damage will occur if the tools are not held properly during the ultrasonic cleaning.

Tool trays are available from DeWeyl Tool and safely hold 60 tools per tray.


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