Ball Bonding Crossword Puzzle

QUESTIONS LIST:

• thermosonic : the _ method of bonding results from five variables (force, ultrasonic energy, stage temperature, time, and ball size
• ultrasonic energy : scrubbing that ensures metal-to-metal contact is called what?
• stage temperature : what is provided to vaporize moisture?
• nitrogen : bonded units when not in use are stored in a dry box purged with what?
• crescent : what is bond 2 of 2 called?
• lowest : the work stage must be set up from what bond point?
• one hundred forty : the heat stage must hit this temperature in degrees before bonding the unit.
• destructive : before bonding the machine must be certified with a coupon and what type of testing on 10 bonds
• gloves : when bonding is complete, remove the assembly from the heat stage using what?
• force : if _ is too low the bond will not stick and if it is too high, over-bonding can occur
• time : if _ is too short the bond will not stick or over-bonding can occur
• ultrasonic : if _ is too high, over-bonding can occur
• circuitry : the ball or wire must not make contact with any uncommon what?
• stress relief : after bonding, the wire must have what?
• eight : per mcs f-785 all material to be bonded must be plasma cleaned every _ hours.