ALPHATM
Sustainability Of Sustainability Of
Specification Performance
Kelvin & Selected Kelvin
Scrubbing Contacting Solution
Compatible to Spring Probe Platform
for Dual Row QFN, QFN, QFP, SOIC, TSOP
No part of this document may be reproduced in any form or by any means, electronic or mechanical, including photocopying, or by any information storage or retrieval
system, without expressed written permission from JF Microtechnology.
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Alpha delivers
Do You Need Alpha Offers
Self cleaning Scrubbing (< 0.15mm)
Sustainable CRes Single piece cantilever pin (< 25mΩ)
High current testing
Tri-temp testing of -45’C to +155’C > 4A continuous
Reliable temp test with single piece pin
Longer lifespan test solution
construction
Sustainable 1st Pass Yield (FPY)
Loadboard friendly > 500K insertions (pin)
> 6M insertions (housing)
Lower Cost of Test (CoT)
Longer MTBA & MTBF
No wearing on loadboard
Higher OEE
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Alpha design methodology
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
5Alpha Design Features for
SUSTAINABILITY of
Specification & Performance
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #1 : Spring probe platform compatibility
Benefit : Low or Zero Hardware Investment
Plug and Play
Selected Leadless Non-Kelvin
Kelvin Leadless Kelvin
Selected Leaded Non-Kelvin
Kelvin Leaded Kelvin
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #1 : Spring probe platform compatibility
Benefit : Low or Zero Hardware Investment
Plug and Play
Customizable for different socket platform
Multitest 9510 QFP 14x20 Seiko Epson QFN 5x5
SRM MSOP 8L Delta Edge QFN 4x4
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #1 : Spring probe platform compatibility
Benefit : Low or Zero Hardware Investment
Plug and Play
Customizable for different socket platform
DR-QFN 12x12, 164Lds, 0.5P
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #2 : Scrubbing / Self cleaning
Benefit : Less cleaning frequency
Alpha has 0.12mm wiping length compared to vertical spring probe
Alpha Spring
Probe
Wiping length
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #3 : Single piece cantilever pin
Benefit : Sustainable CRes and high current testing
Less mechanical component of pin compared to typical spring probe
Alpha Spring Probe
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #3 : Single piece cantilever pin
Benefit : Sustainable CRes and high current testing
Less mechanical component of pin compared to typical spring probe
Alpha Spring Probe
Contact Surface Contact Surface
Lead Angle Lead Angle
Equal True Contact Uneven Contact
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #4 : Longer lifespan of components
Benefit : Lower down CoT
Sustainability of performance even after a long run
Actual: Endurance Test Result (In-House)
0K 200K 500K 800K 1M
Endurance Settings:
Deflection : 0.20mm Frequency : 3Hz
Temperature : Ambient Cycle Count : 200k
300k
There’s no sign of pin breakage after 1M insertions 300k
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved 200k
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #4 : Longer lifespan of components
Benefit : Lower down CoT
Sustainability of performance even after a long run
Actual: Endurance Test Result (In-House)
Imprint mark at 1M
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
ASubsidiary ofJFTechnology Berhad
Design Feature #5 : Loadboard friendly
Benefit : Cost reduction in loadboard repair
Bottom part is independent from pin tip movement
Bottom part of the pin is isolated from pin tip
movement
Zone 1 : Actuating
Locking area
Zone 2 : Stationary
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
Success Story ASubsidiary ofJFTechnology Berhad
Criteria Before (Spring probe) After (Alpha)
Pin lifespan 60 ~ 80K > 600K
MTBA Average 2 hours > 24 hrs
MTBF Average 13 days > 90 days
> 95%
1st pass yield Average 92%
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
JF Microtechnology Sdn Bhd (718186-U)
Cost of Test (CoT) ASubsidiary ofJFTechnology Berhad
Lifespan Typical spring probe Alpha
Socket housing > 1M > 6M
Contact pin 60 ~ 80K > 600K
$250,000 90%
80%
$200,000 70%
60%
$150,000 50% Alpha
40% Competitor
$100,000 30% % Saving
20%
$50,000 10%
0%
$0 1000000 2000000 3000000 4000000 5000000 6000000
0
76.79%Alpha gives savings!
Copyright © JF Microtechnology Sdn. Bhd (718186-U). All rights reserved
Super High Performance Test Contact Solutions
ZIGMA TM JF Microtechnology Sdn Bhd (718186-U)
Higher Revenue, Lower Cost AWSubesidBiarry ionf JFgTecPhnoolsogsyiBberihlaidties
Since 1999