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DiPamat Di rect Pa tterning M aterials. Etch / Plating Resist. What is resist. A photo resist is a chemical product that, under the influence of UV light, changes its chemical nature. Resist without UV: is washed away during resist development. Resist with UV:

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Dipamat di rect pa tterning m aterials

DiPamatDirect Patterning Materials

Etch / Plating Resist


What is resist
What is resist

A photo resist is a chemical product that, under the influence of UV light, changes its chemical nature.

Resist without UV:

is washed away during resist development

Resist with UV:

is NOT washed away during resist development

protects the copper in the etch batch

is stripped away after etching

Remark:

1 Etch resist: print & etch of inner layers

2 Plating resist: print, plate & etch of outer layers

Eric Janssens May 2013


What is resist1
What is resist

  • Liquid photo resist (20%)

    • Curtain, roller- or spray coated

    • Thickness: 5 - 20µm

    • Pro: high resolution

    • Contra: dust inclusions and chemical sensitivity

  • Dry photo resist (80%)

    • Cold, hot or wet laminated

    • Thickness: 25 - 75µm

    • Pro: high yield and good tenting

    • Contra: line width

Tenting:

Via’s must be tented

to avoid resist getting in the via

Eric Janssens May 2013


Traditional resist printing
Traditional resist printing

  • Workflow:

    • Design

    • Image and develop film, check

    • Coat, laminate resist

    • Image resist

    • If laminated: peel cover layer

    • Develop resist

    • Etch

    • Strip

  • Working with resist is:

    • A time consuming process step

    • Expensive

    • Fixed data

    • Ecological unfriendly

Eric Janssens May 2013


Inkjet resist printing
Inkjet resist printing

  • Principle:

    • apply etch / plating resist

    • directly on the panel

    • using a set of Inkjet nozzles mounted on a XY table

    • ie without the use of a phototool or screen

  • Workflow:

    • Design

    • Print (with pin curing)

    • Curing (thermal and/or UV)

    • Etch

    • Strip

Eric Janssens May 2013


Inkjet resit printing
Inkjet resit printing

  • Advantages:

    • Reduce cost

      • no phototool, less production steps

      • shorter production cycle, higher yields

    • Registration panel per panel / distortion compensation

      • front-to-back

      • outer layer to inner layer

    • Design changes & variable data per board

    • Fast (no set up)

    • Ecology

Eric Janssens May 2013


Quid may 2013
Quid May 2013

  • R&D project is in progress

  • Jetability and etch resistance: OK

  • Stripability: concepts are tested

  • Planning

    • One ER fieldtest in operation by end 2013

    • Proliferation of ER in 2014

    • Concept study PR

Eric Janssens May 2013


Quid may 20131
Quid May 2013

Eric Janssens May 2013


Quid may 20132
Quid May 2013

Eric Janssens May 2013


Quid may 20133
Quid May 2013

Eric Janssens May 2013


Competition dow rohm and haas
Competition: Dow (Rohm and Haas)

www.dowelectronicmaterials.com

Phase shift ink

Eric Janssens May 2013


Competition macdermid
Competition: MacDermid

www.macdermid.com

Eric Janssens May 2013


Competition mutracx
Competition: MuTracx

www.mutracx.com

  • Spin-off from OCE Technologies (Canon)

  • Announces Lunaris: print system and etch resist for IL

  • Phase shift inkl

  • Uses Predict

  • Fieldtest summer 2010 in EU

  • Commercially available by mid 2011

Eric Janssens May 2013


Competition mutracx1
Competition: MuTracx

Eric Janssens May 2013


System supplier mutracx
System supplier: MuTracx

lunaris animation.avi

Eric Janssens May 2013


Conclusion
Conclusion

Inform your customers and prospects on our plans

Gather as much information as possible

Don't forget film

Eric Janssens May 2013