DODUCO Beschichtungstechnik neu englisch 26.05.2011

WE KNOW HOW
The Whole World of
Coating Technology
All our expertise
for your
Metallic coating are constantly gaining in
importance. They serve as finished
surfaces or as intermediate layers for
subsequent or as intermediate layers for
subsequent plating processes. Both
types of coating are designed to meet
the most stringent technical requirements and help to drive innovation in a
wide range of different markets.
DODUCO has a long record of R & D in
the field of precious metal coating and
plating. The results of this work are
evident in numerous patents for chemical and electrolytic precious metal plating processes and surface treatments
technologies, representing valuable
expertise which we apply for the benefit
of our customers. This enables us to
offer many innovative coating processes
and provides us with the know-how to
offer customized solutions to meet the
most highly specialized demands.
On the one hand, our process development teams work on combining existing
processes in order to continually expand
the technical capabilities for specific
applications, and on the other hand we
keep a watchful eye on the market in
order to collect and analyze information
and develop solutions in advance so
that we are in a position to offer the right
plating and surface treatment solutions
to meet the challenges of the market the
moment they arise.
SURFACE AND COATING TECHNOLOGY
surfaces
In many cases, job shop plating is the
most economical solution for our
customers.
Competence in precious metals
Functional precious metals have a
proven track record for many product
applications in
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The automotive industry
Drive engineering
Chemical plant engineering
Electrical engineering
Electronics
Laser technology
Power electronics
Medical devices
Sensors
Mechanical engineering
RF technoogy
The requirements placed on surfaces
are as varied as the products. As soon
as we receive an enquiry, our specialists
strive to find the best possible coating
structure for each application. The
technical suitability of each coating
solution is discussed in detailed
consultation with our experts, and the
most economical method is established.
In response to each enquiry received by
the job shop, DODUCO immediately
sends a best-price quotation based on
the customers drawings and
specifications.
Specialist in precious metals
By using PVD technology, virtually all
precious metals can be deposited, even
onto non-conductive materials. The
range of processes includes depositing
fine gold and a number of hard gold
alloys for contact applications, and
plating with fine and hard silver,
palladium, palladium nickel, rhodium and
platinum. State-of-the-art production
processes guarantee the maximum
cost-effectiveness. We have several
electroplating machines at our disposal
so that even large production runs can
be handled efficiently. Manual
processing lines designed on a modular
basis enable new processes to be
quickly adapted and optimized in order
to build up layers to meet customerspecific requirements. Finally, a
production area for coating ceramic
substrates rounds off our range of
services.
Development partnership more than just a slogan
Technical advisers, process engineers
and development staff in the electroplating division at DODUCO recommend
ways of customizing coating technologies to the requirements of our customers latest products. In doing so, both
technical and economic aspects are
taken into account and discussed with
the customer in advance. Together with
the customer, we clarify any issues related to the design principle of the product
to be coated, the mechanical and electrical requirements, the choice of suitable
pre-treatment, the layers to be applied
and the sequence in which they should
be applied, the required layer thicknesses, the effects of the technologies used
on subsequent stages of processing and
the effects and influences caused by the
ambient atmosphere. During this procedure it always transpires that there are a
number of different layer systems that
can be used in the subsequent project
and these options then have to be
individually tested and researched by
DODUCO and/or the customer to
establsh their suitability.
SURFACE AND COATING TECHNOLOGY
At an early point during the cooperation
between the customer and DODUCO,
the from of delivery between the two
parties is agreed upon. Here, too, requirements relating to purity and cleanliness
(e.g. suitability for clean room conditions)
with regard to the product to be coated
and the surface and the type and
method of packaging used by DODUCO
are established.
Project management
After the coating or coating variants and,
if necessary the workpiece holder, too,
have been determined in consultation
with the customer, our project management team takes on the task of scheduling and coordinatin the project. The aim
is to find a layering system which fulfils all
the customer‘s requirements with regard
to the product and ist workability. Solutions are always arrived at with a view to
keeping costs down and quality high.
The project management team acts as
the interface between the customer and
the production and development
departments, suppliers, the different
laboratories and Quality Assurance, and
remains the central point of contact
throughout the entire implementation
phase of the project. The team coordinates the technical variants as well as
deadlines, costs and any further measures which may arise from the results of
the work on the various coating variants.
All date pertaining to the project is
documented in transparent detail.
The results obtained for the various
coating variants are passed on to the
customer and the results of any trials
carried out by the customer are made
available to DODUCO for further
optimization.
Once the most suitable coating has been
established, a sample is prepared for
approval by the customer before forming
the basis for series production.
Coating of technical
components
Our areas of expertise include plating a
wide variety of metallic materials both
with precious metals such as gold, silver, palladium and rhodium as well as
with base metals such as tin, tin/lead,
chemically applied and electrolytic nickel
coating and electrolytic copper plating.
In addition to the conventional substrate
materials of copper and copper alloys,
we can also apply strongly bonded coatings to aluminum, high-alloy steels as
well as to more specialized materials.
Plating of metal
strips
Strips can be solid, pre-stamped or beltlinked. Strips and stamped parts made
of copper and copper alloys, nickel and
nickel alloys, stainless steel or beryllium/bronze and can be coated additionally hardened or annealed.
Electroplating is used for fine and hard
gold, silver, palladium/nickel, copper and
nickel as well as pure tin and tin/lead
alloys. In addition, metal strips can also
be hot-dip tinned.
SURFACE AND COATING TECHNOLOGY
Special
coatings
These include plating with special materials such as molybdenum, molybdenum/copper, tungsten, tungsten/copper,
AlSiC and die-cast zinc as well as our
activities in the area of selective plating,
which represents a low-cost solution
since it enables the amount of precious
metal deposited to be reduced to that
needed to coat the required surface
only.
The selective deposition of precious
metal on to individual parts is achieved
by using special masks and masking
techniques.
Coatings
for PCBs
For the coating of printed circuit boards,
both our proven processes and new ones
are used:
Electroless
¢ Electroless nickel/gold plating
DODUCHEM
¢ Electroless nickel/palladium/gold
plating DODUBOND
¢ Immersion tin plating
DODUSTAN
¢ Immersion Silver
ARGOL IS
¢ Cyanid free galvanic Silverbath
ARGOL CF
Electroplating
Fine gold for bonding applications, hard
gold, silver and hard silver, bright and matt
tin plating.
Coating of ceramic
substrates
For ceramic substrates, DODUCO offers
future-ready coating technologies in
which metallic conductive pastes in
tungsten, pure silver, silver/palladium or
silver/gold are applied to ceramic substrates to give a final surface of electroless
nickel/immersion gold, electroless
nickel/immersion gold/reductive gold or
electroless nickel/palladium/immersion
gold.
The technological focus is on the combined use of gold and aluminum wire
bonds.
PVD coatings
As the perfect complement to and extension of our electroplating services, we
also offer PVD coating services. This
process enables even non-conductive
substrates such as plastic, ceramic,
glass and titanium based materials to be
coated. In addition to silver, hard gold,
palladium, platinum, copper, nickel and
chromium, coatings can also be made of
materials which cannot be deposited by
means of electrolysis, such as tungsten,
titanium, aluminum, titanium nitride, alloys
and composites.
Product Development
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Analysis and laborarory
The actual work of the developer starts in
the chemical development lab. Initial
support comes from the analytical lab,
which is also at the disposal of our customers. For example, this is where electrolytes are analyzed by means of atomic
absorption spectroscopy, ICP-OES or
HPLC. These processes are used to
determine whether the constituent
components lie within the prescribed
limits or whether the composition of a
given alloy conforms to the prescribed
specification. The results are
documented. Regularly performed,
precise analytical techniques are crucial
to the subsequent development work and
for the effectiveness on the processes
developed.
terms of the layer thicknesses that can
be deposited and the formats that can
be plated make DODUCO the ideal
partner for PCB manufacturers for whom
it is not economical to plate circuit boards
as part of their own production process.
Develo
Partne pm
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Development
DODUCO‘s development goals are
based on the dictated of the market and
the requirements of our customers.
Here the main focus is on the search for
innovative, environmentallyfriendly solutions and simpler, more stable processes.
Our experienced development team
optimizes and develops electrolytic and
chemical products in the light of current
and future market demands. Even specialized customer requirements are
incorporated into our development work.
Development projects also draw on the
expertise of our own analytical and
materials labs. A distinct advantage of this
is the gradual testing of the products
under development from laboratory scale
and pilot plant to full implementation
under production conditions in our own
electroplating plants. This means that it is
not left up to the customer to acquire the
experience that must be gained prior to
commencing series production, but that
this is done in our own production department. This is a significant advantage
for our customers.
Electroplating products
DODUCO offers a wide range of
electroplating products for the production
and treatment of innovative surfaces. This
includes precious metal baths, salts,
concentrates and preparations as well as
non-precious metal baths, products and
processes for PCB technology and
surface treatment products such as
metal strippers, cleaning solutions and
silver antitarnish protection.
PVD coating
DODUCO has a variety of sputtering
plants to suit different workpiece
geometries.
Product Delivery
Once the first parts have been coated,
the properties of the layers are assessed
and measured for the first time. There are
a variety of measurement techniques that
can be used for this, depending on the
parameters specified. These methods
range from the non-destructive measurement of the brightness or reflectivity of the
Development lab R+D
SURFACE AND COATING TECHNOLOGY
Pull and Shear Teester
for Thin Wire Bondst
layer depositied and measuring its
mechanical properties to more involved
structural inspections using a scanning
electron microscope and EDX probe. The
culmination of each development project
is the release of a product or an entire
process for series production.
X-Ray thickness
measurement system
SEMscanning microscopy
Barrel plating
Bulk items can be plated with many
different combinations of layers of varying
thicknesses. In each case, the most
suitable electroplating unit and production
line are chosen to match the geometry of
the parts and the batch size.
Rack plating
New products and parts with complex
geometries impose special demands on
the production of workpiece racks and
jigs to ensure that the required layer
thickness is deposited even on less
accessible areas of the product. To meet
this requirement, DODUCO has its own
rack and jig construction department.
By using product-specific holders and a
variety of planetary drives, a uniform
coating can be applied, regardless of
whether the surface is coated completely
or selectively.
The PVD process gives an extremely
uniform coating thickness and an
excellent adhesion. Furthermore, the
layers can subsequently be reinforced
through electroplating.
PCB technology
DODUCO offers customers from the
PCB industry a comprehensive range of
surfaces for printed circuit boards. Highly
efficient plants are available which ensure
consistent quality and short delivery times
for the externally electroless and
electrolytic plating of rigid, semirigid and
flexible circuit boards. Each process can
handle all common formats up to
610 x 605 mm. Maximum flexibility in
Strip plating technologies
Types and processes
¢ Dipping process
Plating of the entire surface or
selective two-sided plating of solid or
stamped strips
¢ Stripe plating
Stripe plating of solid strips using
wheel and masking techniques
¢ Spot plating
Spot plating of contact surfaces on
pre-stamped or punched strip and
grids
¢ Selective plating
Selective single-sided plating of prestamped parts using brush plating
techniques
¢ Plating of wires
Electroplating wires with precious
metals
The dimensions of the base material strip
depend on the process used;
thicknesses range from 70 µm to 2 mm
and the maximum width is approx.
120 mm.
Quality Management
Benefitting Our Customers
Comprehensive
Metal Recycling
Precious
for the World of Tomorrow
costeffectiveness and on-time delivery
underscores the key quality factors in
development projects. In order to verify
that the customer‘s specifications are
adhered to right from the development
stage, a number of labs are available
which have at their disposal a variety of
testing and analysis facilities. This means
that the following methods can be used
or taken advantage of:
Test bed for evaluating the physical
appearance of gold-plated components.
ICP-OES spectrometer
for measuring elements
SURFACE AND COATING TECHNOLOGY
Wetting balance for testing solderability
Coating tickness measuring system
In order to meet the high expectations of
our customers, DODUCO‘s quality
management system is certified
according to DIN EN ISO 9001. The
development of new products is based
either on concrete specifications from
the customer or on a specification brief
describing the requirements in detail. In
all cases, a precise analysis of the customer‘s requirements or the expectations of the market form the basis of
planning and define the subsequent
quality of the final product.
In order to guarantee an efficient and
goal-driven development process,
modern methods such as FMEA (Failure
Mode and Effects Analysis) are used at
an early stage in the development
sequence. The combination of environmentally friendly solutions, maximum
¢ REM/EDX analysis
¢ Metallographic studies (crossselection
preparation, structure inspection, etc.)
¢ Mechanical and physical
measurements (hardness tests,
electrical conductivity, contact
resistance, ultrasonic testing, etc.)
¢ Adhesion tests
¢ Corrosion tests according to DIN
standards
¢ Soldering tests
¢ Wetting tests
¢ Bonding tests
(thick wire and gold wire)
¢ AAS
(atomic absorption spectroscopy)
¢ ICP (inductively coupled plasma)
¢ XRF analysis
¢ Numerous methods of chemical
analysis
¢ Various methods of non-destructive
layer thickness measurement
¢ Reversed bending strength
¢ Stress-strain testing
But these techniques are also used
during the product treatment process,
beginning with the goods inwards
inspection, carryng over into specific
tests during production and finally
ending in the pre-delivery tests.
The intelligent and customer-oriented
use of the methods described ensures
that the products are supplied in the
quality exepted by the customer and at
the rigth time.
From the point of view of protecting
valuable natural resources and in the light
of the volatile precious metal price hikes
in recent years, the process of precious
metal recovery has becom more and
more important all over the world.
DODUCO‘s highly efficient precious metal
refinery offers an effective and economical processing of all precious metal containing materials on the basis of proven
and innovative technologies, including
environmentally-friendly and legally acceptable disposal of the base materials. By
use of melting technology, electrolysis,
wet chemical processes and incineration
the most efficient recycling is ensured for
all precious metal containing waste,
which may contain gold, silver, platinum,
palladium and rhodium from many
different branches of industry such as:
Electroplating
¢ used electrolytes
¢ resins and filter cartridges
¢ metallic residues
Jewelry Industry
¢ scrap metal
¢ sweeps
Electrical Industry
¢ plated strip and stamping scrap
¢ semi-finished product and alloy
residues
Electronics
¢ connectors
¢ ICs and transistors
¢ PCB waste
We offer a full range of services from
enquiry to billing, including feasibility tests
and proposals for solutions in case of
environmental protection and hazardous
goods. A transparent billing system and
reimbursement options according to
industry standard for the recovered
precious metal complete the spectrum of
services offered by our precious metal
refinery.
All this enables the DODUCO technology
group to close the precious metal cycle
and exploit many significant synergy
effects whilst remaining faithful for our
slogan „everything from a single source“
for the benefit of our customers.
DODUCO GmbH
im Altgefäll 12
75181 Pforzheim
Germany
Phone +49 7231 602-0
Fax
+49 7231 602-689
http://www. doduco.net
Mail [email protected]
Printed in Germany bei WA,SCHN . 05.2011 . 0,0
WE KNOW HOW