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Group/Presentation Title Agilent Restricted Month ##, 200X
Welcome Note A BIG welcome to a big event!
- Who do we have with us today?
- Logistics – Washroom, breaks, lunch
Inaugural Bead Probe User Group Meeting 12 th Sept 2007 - - PowerPoint PPT Presentation
Inaugural Bead Probe User Group Meeting 12 th Sept 2007 - - PowerPoint PPT Presentation
Inaugural Bead Probe User Group Meeting 12 th Sept 2007 Group/Presentation Title Agilent Restricted Month ##, 200X Welcome Note A BIG welcome to a big event! - Who do we have with us today? - Logistics Washroom, breaks, lunch
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Agenda
Adjourn
4:00
ALL Next Steps: Discussion
3:45
ALL Panel Discussion
3:15
Break
3:00
HP – Rosa Reinosa Future Bead Probe Efforts
2:30
IDI or QA Probe Talks/ ECT/STE Fixturing experiences
2:00
Caber Contacts - Glen Leinbach Caber Contacts Demo: Bead Repair
1:30
DeMille Research – Don DeMille DeMille Research Demo: Bead Placement CAD
12:30
Lunch
11:45
Intel – JJ Grealish Beads on Micro Vias and fine lines
11:00
HP – Rosa Reinosa HP Bead Probe Product Experiences & Issues
10:30
Break
10:15
Intel – Jeff Burgess The "Canon Beach" Saga
9:45
Agilent - Andrew Tek Synopsis of the Bead Probe Handbook
9:15
Agilent - Andrew Tek Welcome and Introduction
9:00
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Awards
Recognition from industry experts :
- EDN Innovation Award 2006 (Dec 2006)
- EM Asia Innovation Award 2007 (April 2007)
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Our community
- Launched Nov 2006 (after 3 years of R&D)
- 15 licensees (major OEMs)
- 81 enquiries
- More than 100 companies involved worldwide
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Where the action is?
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Activities at the Customers’ Sites
Varying stages of maturity :
- Active enquiry with bead probe presentations
- Handbook study
- Controlled experiments with reference boards
- Evaluation stage with limited volume
- Full fledge production
Rpack
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How have we progress thus far?
Patents Sample boards Automated bead placement Rework refinement Bead probes on micro-vias Bead probes on fine lines
W e e v e n h a v e a s
- n
g : “ J u s t B e a d I t ! ”
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Patents
- Patenting process takes years – from submission to final
approval
- Approved patents are streaming in.
- US 7,190,157, US 7,161,369, US 7,187,165, US 7,259,576
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Automated Bead Placement
Feedback from customers :
- Can the bead placement can be automated. YES!
- Defined through a set of parameters
- Fast and easy
- Takes in popular CAD file formats
- Coverage % analysis
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Automated Bead Placement
Two Stage Process
– Placement and Soldermask modifications – Stencil design
Part List, Netlist Part placement, layers, copper and soldermask description, silk screen labels, etc. Bare Boards Solder Stencil Design Test and Fixture Design Pick-and- place setup
Board Design Board Layout Contract Board Assembly (Process Design) Bare Board Manufacturing Test Development Contract Board Assembly (Volume Production) Bead Placement, Bead holes in soldermask
Part List, Netlist Part placement, layers, copper and soldermask description, silk screen labels, etc. Bare Boards Solder Stencil Design Test and Fixture Design Pick-and- place setup
Board Design Board Layout Contract Board Assembly (Process Design) Bare Board Manufacturing Test Development Contract Board Assembly (Volume Production) Bead Choice, Stencil Apertures
(A) (B)
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Rework Update
Questions from customers :
- How can we standardize bead size during rework?
- How do we protect the paste from exposure to air?
- Setting for hot air gun?
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Beads on uVias
Feedback from customers :
- My signal lines are embedded in between layers
- Targeting problems for vias below 20mils
- How do I make beads on vias and ensure best contact?
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Beads on Fine Lines
Feedback from customers :
- Smallest trace width is 4mil currently
- Technology pushing to even smaller width – 3.5 mil, 3mil
- Small bead not high enough to overcome surrounding flux
residue.
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Shipment of 2nd Edition of Handbook to Licensees
- Will begin shipping out Bead Probe
Handbook (2nd ed) this month.
- All licensees will receive them.
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BACKUP
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Case study
1020 node board 310 beads - mostly on DDR lines Increased access by 30.4% ! Lead-free / no-clean Good contact : pin test 99.5% ICT overall yield : 93%
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