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Smart Screen by Lisa Ho Oct. 29, 2013

Smart Screen by Lisa Ho Oct. 29, 2013. SMART 1 – Lifetime Improvement SMART 2 – Paste Saving. Benefit (1)- Lifetime improvement. 60% screens were damage by the uneven of wafer edge 30% cause by wafer’s chip 10% cause by paste’s particle Adding softening agent in emulsion

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Smart Screen by Lisa Ho Oct. 29, 2013

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  1. Smart Screen by Lisa Ho Oct. 29, 2013

  2. SMART 1 – Lifetime Improvement • SMART 2 – Paste Saving

  3. Benefit (1)- Lifetime improvement 60% screens were damage by the uneven of wafer edge 30% cause by wafer’s chip 10% cause by paste’s particle Adding softening agent in emulsion = Avoid the object collision(emulsion & wafer) = Increasing lifetime 20% at least

  4. Benefit (2)- Paste Saving • How much you save!! 20tons=20,000kg/year 20,000*5%=1,000kgs Paste Cost: USD1,000/kg USD1,000*1000kgs =USD1,000,000/year • 114mg • 120mg SAVE 5% = Normal Screen Paste Saving Screen

  5. Lifetime Increasing(Smart 1) Principle and method: Adding the softening agent in emulsion on area (A.B.C.D) while exposure process. B A D Normal: M5 Emulsion Adding softening agent on area A.B.C.D while exposure process. C

  6. Paste Saving(Smart 2) Principle and method: reducing the friction coefficient Mesh thickness E.O.M Add slipping agent on the bus bar location while exposure process Printing result: higher friction = higher paste transfer reduce the friction = lower paste transfer = paste saving.

  7. Paste Saving(Smart 2) • No change of appearance • No change of E.O.M

  8. All in One (Smart1+Smart2) + B A D All in One = Higher lifetime + Higher efficiency + Cost saving C

  9. Printing Result Analysis Smart screen Tradition screen

  10. Testing Result

  11. Thanks for your attention!!

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