ISHIKAWA diagram

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ISHIKAWA diagram

Coursera Operations Challenge:

This is an ISHIKAWA diagram for a problem that i faced during my first job as Process and Maintenance Technician in a semi-conductor company. The Problem is a contamination which has the form of rubber tip marks in the dices (dice= a semi-conductor part) which considered out of quality specification in our process.

Pick up Tool

Rubber Tip

Dice (the product) Rubber tip used in our process Methods

Materials Bad quality gloves Non conform lot of Rubber Tip

Pick up Tool contaminated

The Pick up tool

Inappropriate Rubber Tip Mounting

Rubber Tip Marks in dices Number of particles in air per cubic meter exceeded

Not applicable

Man

Mother Nature

Contamination inside the Pneumatical circuit

Machine