Uyemura is the world leader in electroless nickel/ immersion gold, immersion silver, and immersion tin; also copper etchants and acid copper finishes, plus decorative black nickel.Uyemura is the world leader in electroless nickel/ immersion gold, immersion silver, and immersion tin; also copper etchants and acid copper finishes, plus decorative black nickel.Uyemura is the world leader in electroless nickel/ immersion gold, immersion silver, and immersion tin; also copper etchants and acid copper finishes, plus decorative black nickel.

Uyemura:
World Leader
in Plating
Performance


Electroless Gold and
Electroless Nickel for
Ceramic Substrates

Uyemura is the world leader in electroless nickel/ immersion gold, immersion silver, and immersion tin; also copper etchants and acid copper finishes, plus decorative black nickel.
Uyemura is the world leader in electroless nickel/ immersion gold, immersion silver, and immersion tin; also copper etchants and acid copper finishes, plus decorative black nickel.



AuBEL Electroless Gold
Stable,
alkaline pH, autocatalytic process. Proven
over time, this system has been used in
production for over 12 years. Properties of
the system:

 
High deposition rate of 80 microinches per hour
 
Pure gold deposit, greater than 99.9%
 
Excellent gold wire bond properties
 
Gold and reducer can be replenished
   
BEL-801 Electroless Nickel – Boron electroless nickel for
deposition over metallized ceramic substrates. System operates
at a neutral pH. Features include:

 
Excellent solderability
 
Nickel purity over 99%
 
High as-plated hardness of approximately 800 Hv
 
High conductivity electroless nickel deposit
 
Fast initiation onto catalyzed surfaces, thus eliminating skip plating
 
Long bath life of up to 5 metal turn overs
   
Pre-Treatment for Electroless Plating of Metallized Ceramics
Uyemura has a variety of pre-treatment processes available for the
cleaning and activation of metallized ceramics. Specific systems are
available for standard ceramics, low temperature co-fired ceramics,
glass ceramics, and aluminum nitride. The net result is a uniform
catalyzation of the metallized surface without damage to the
underlying ceramic substrate.
   
Thru-Nic CLSuper high throwing power electrolytic nickel.
One disadvantage of sulfamate or sulfate-based electrolytic nickels
is the lack of throwing power, or the inability to deposit nickel in
multiple locations without elaborate anode-cathode arrangements.

These problems are eliminated with Thru-Nic. Thru-Nic typically
yields a 5-fold increase in throwing power over standard nickel
systems. The net result is an improvement in both quality
and productivity.


Uyemura supplies electroless gold, electroless nickel, boron electroless nickel, and high throwing
power electrolytic nickel; also pretreatment for electroless plating of metallized ceramics.
   

   

Corporate Headquarters:
3990 Concours, #425 • Ontario, CA 91764 • ph: (909) 466-5635

Tech Center:
240 Town Line Road • Southington, CT 06489 • ph: (860) 793-4011


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Uyemura is the world leader in electroless nickel/ immersion gold, immersion silver, and immersion tin; also copper etchants and acid copper finishes, plus decorative black nickel.