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ROHS COMPLIANCE |
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RoHS Directive and Standpoint of
Echo
As stipulated in RoHS
(Restriction of certain Hazardous Substances)
concerning environment protection, from July 1st
2006, new electrical and electronic equipments
put on the market should not contain lead,
mercury, cadmium, chromium, Poly-brominated
biphenyls (PBB) or Poly-brominated biphenyl
ethers (PBDE). Only compliant products will be
allowed for sale in EU.
To meet the requirement of RoHS,
Echo has taken active measures for transition to
the new lead-free technology, ensuring all
products complying with RoHS and strengthening
the leader in lead-free industry.
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RoHS
SOLUTION |
| 1. |
Objective |
Targeting to have
most buzzers, alarms and the assembly procedure
for OEM PCB available RoHS Compliant by the end
of 2005. |
| 2. |
Process |
1) Information-collecting:
- collect standards for lead-free
soldering, lead-free material, electronic
components, PCB, solder as well as customer
requirement for RoHS Compliant products, take
part in seminars about RoHS Compliant
technology.
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2)Equipment evaluation:
- evaluate the current equipments
and new ones for feasibilities of RoHS Compliant
production as per parameters and new
workmanship.
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3) Preparation:
- Retrain staff about RoHS
Compliant technology.
- Pay attention to our supplier’s response to
RoHS Compliant production and compliant material
supply, which is a key factor during transition
production.
- Replace equipments: As per the result of
evaluation, a new SMT Line, wave soldering line
for PCB assembly and new hand soldering plan
will be introduced.
- Site Layout: There will be a parallel
manufacture (lead-containing and lead-free
products) from initial lead-free manufacture to
total compliant manufacture. So it is of great
importance to identify the leaded production
from lead-free production. We have made full
preparations: stocks have been marked clearly, a
workshop being available for lead-free
production. Along with lead-free production
making way further, previous lead-containing
assembly lines will be converted into lead-free
gradually. We have employed designators for
lead-free procedure from material to finished
product to prevent cross-contaminating
non-compliant products.
- RoHS Compliant material Sourcing: the most
crucial factor which affects the transition
speed because material has a direct impact on
lead-free production. In addition, it is another
key factor to source RoHS Compliant part and to
use up the current leaded stock as soon as
possible.
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4) Transition:
- During the middle and late
phase of preparation, there will be a parallel
manufacturing (leaded and lead-free productions
at the same time). We have put forward a
detailed Transition Schedule for your reference
in which most products would be scheduled to be
RoHS Compliant by the end of 2005.
- Analyze and find out solutions of problems
encountered during trial RoHS Compliant
production, accumulate experiences and provide
top quality products.
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5) Compliance:
- From January 2006, 90% of
buzzers and alarms will be RoHS-compliant. From
July 2006, leaded production will be eliminated
in Echo. |
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RoHS-COMPLIANT
INDICATORS
Special marks or labels will be attached to
inner&outer package of compliant products. RoHS-compliant
products will be marked or attached with such an
indicator
as
while Pb-free ones will attached or marked with
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| Frequency Ask
Question regarding our RoHS technology |
| 1. Who does
WEEE DIRECTIVE affect? |
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Those involved in manufacturing,
selling, distributing, recycling or treating
electrical and electronic equipment.
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This includes: |
Household appliances
IT and telecommunications equipment
Audiovisual and lighting equipment
Electrical and electronic tools
Toys, leisure and sports equipment
Medical devices and
Automatic dispensers |
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| 2. Who does
RoHS affect? |
| Manufacturers,
sellers, distributors and recyclers of
electrical and electronic equipment containing
lead, mercury, cadmium, hexavalent chromium,
poly-brominated biphenyls or poly-brominated
biphenyl ethers. This Directive covers the same
scope as the Directive on waste electrical and
electronic equipment (WEEE) except for medical
devices and monitoring and control instruments.
It also applies to electric light bulbs and
light fittings in households. |
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| 3. Is there
any product exempt from RoHS in Echo? |
| Yes, the piezo is
not covered by RoHS, Its lead concentration can
be above 1000ppm. |
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| 4. What are
the available lead-free solder alternatives to
traditional SnPb? |
| There are several
families of alloys commercially available as
lead-free solders. |
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Reflow Soldering:
SnAgCu, SnAgCuBi, SnAgBi, SnZnBi, SnIn (the
bismuth and indium-containing solders are more
suitable for low temperature soldering)
Wave Soldering: SnAgCu, SnCu |
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