Advancements in Gold Reduction Technology For Electronic...
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Transcript of Advancements in Gold Reduction Technology For Electronic...
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Advancements in Gold Reduction Technology
For Electronic Connector Plating Applications
Goldeneye
December 2012
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Gold Price - 2012 London FixWhy Gold Reduction?
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Introducing�
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Barrier Layers
Gold
ElectrodepositionGold
Alternatives
Post-Treatment
Processes
What is Goldeneye?
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Goldeneye Technology Platform
Au or Altenatives(II) Au layer
Ni or Ni-X(I) Barrier Layer
Substrate
(III) Post-TreatmentTechniGold 800/900
Techni Gold Flash 850/950
Durasil
PdNi 985
Goldeneye Barrier
Layer System{
{{Auroguard NP-12
Tarniban KSII
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Goldeneye Ni Introduction
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Goldeneye Barrier Layer System
Au
Goldeneye Ni
Substrate
Goldeneye Ni
Substrate
Au
Goldeneye Ni
Substrate
Au
NiP or Level Ni
Level Ni or NiP
Level Ni
NiP
Single Layer 2-layer Ni 3-layer Ni
Au
Au
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Deposit Characteristics
Goldeneye NiNi Sulfamate
(no additive)
Finish Semibright Satin/Matte
Stress ~2500 psi (17.2 MPA) ~5500 psi (37.0 MPA)
Hardness ~450 knoop ~250 knoop
Morphology Similar
Crystal Orientation <111>, <311> <200>, <111>
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Goldeneye Ni Ni Sulfamate
FIB/Cross-Section
80,000 X
XRD
Goldeneye Ni Grain Size = nm scale
Sulfamate Ni Grain Size = µm scale
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Deposit Grain Size =
Deposit Hardness
Grain Size (nm)
Hardness
(Vickers)
Nanocrystalline deposit = higher hardness
= improved barrier layer properties
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Goldeneye Barrier Layer System
�
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� Nitric Acid Vapor (NAV) Testing
� ASTM B-735-05
� Hypochlorite Vapors / �Bleach� Testing
� ASTM B-920-01
� Neutral Salt Spray (NSS) Testing
� ASTM B-117-97
� Target Applications:� High reliability / �thick gold� applications
� Presently 30-40µin Au over Ni
� Flash Gold Applications
� 1-3µin Au over Ni
Corrosion testing
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NAV testing � 2 hrsHigh Reliability Applications
Sulfamate Ni (3 µm) +
Conventional Au-Ni (30 µin)
FAIL
Goldeneye Ni (3 µm) +
TG800 Au-Ni (15 µin)
PASS
2-Layer Goldeneye Barrier
Layer System (total 3 µm) +
TG800 Au-Ni (10 µin)
PASS
3-Layer Goldeneye Barrier Layer
System (total 3.5 µm) +
TG800 Au-Ni (5 µin)
PASS
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NAV testing � 30 minFlash Gold Applications
Sulfamate Ni (2 µm) +
Conventional Au-Ni (3 µin)
FAIL
Goldeneye Ni (2 µm) +
TG800 Au-Ni (1.5 µin)
FAIL (marginal)
2-Layer Goldeneye Barrier
Layer System (total 2 µm) +
TG800 Au-Ni (1.5 µin)
PASS
3-Layer Goldeneye Barrier Layer
System (total 2.5 µm) +
TG800 Au-Ni (1.5 µin)
PASS
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Bleach testing � 30 min
Goldeneye Ni (3 µm) +
TG800 Au-Ni (15 µin)
PASS
2-Layer Goldeneye Barrier
Layer System (total 3 µm) +
TG800 Au-Ni (10 µin)
PASS
3-Layer Goldeneye Barrier Layer
System (total 3.5 µm) +
TG800 Au-Ni (5 µin)
PASS
Sulfamate Ni (3 µm) +
Conventional Au-Ni (30 µin)
FAIL
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Salt Spray Testing � 48 hrsHigh Reliability Applications
Goldeneye Ni (1.5 µm) +
TG800 Au-Ni (15 µin)
PASS
Sulfamate Ni (3 µm) +
Conventional Au-Co (15 µin)
FAIL
2-Layer Goldeneye Barrier
Layer System (total 2 µm) +
TG800 Au-Ni (10 µin)
PASS
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Salt Spray Testing � 48 hrsFlash Gold Applications
Sulfamate Ni (2 µm) +
Conventional Au-Ni (3 µin)
FAIL
Goldeneye Ni (2 µm) +
TG800 Au-Ni (1.5 µin)
FAIL (marginal)
2-Layer Goldeneye Barrier
Layer System (total 2 µm) +
TG800 Au-Ni (1.5 µin)
PASS
3-Layer Goldeneye Barrier Layer
System (total 2.5 µm) +
TG800 Au-Ni (1.5 µin)
PASS
Corrosion Performance
Summary
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Thank you!
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