Don’t use or discharge harmful substances.

Activity report: 7. Proper management of chemical substances


Target for 2004 Achievements in 2004
(1)Promotion of lead-free soldering
1. Production sections to establish production systems to manufacture lead-free soldered products.
2. Technical sections to conduct lead-free soldering of high priority RoHS products.
100% achieved
(2)Reduction of substances specified by RoHS Directive
1. Ongoing investigation of parts containinglead, mercury, cadmium, hexavalent chromium and/or PBB/PBDE, their contents and alternatives
2. Total abolition of six target substances for high priority products (products selected as RoHS compliance products in the previous fiscal year)
100% achieved
(3)Reduction of specified chemical substances
1. Strict management of chemical substances
2. Reduction of the specified chemical substances
100% achieved



Efforts to convert to lead free soldering and compliance with RoHS Directive in 2004

In 2004, lead free soldering and RoHS compliant design were promoted in three sections. In addition, a "RoHS compliance promotion department" was created to promote the investigation of harmful substance components in parts and materials used in products and the creation of a database. A new subcommittee for preventing the inclusion of harmful materials was also formed, to provide a framework for assuring that no harmful substances are included in products.


Management of chemical substances in 2004

In 2004, aggregate calculation methods were changed for greater efficiency, and various tests conducted to reduce VOCs (volatile organic compounds).



PRTR reporting in 2004

Four substances were reported to be in compliance with PRTR in 2004, including ethylbenzene, xylene, toluene and copper water-soluble salt (except complex salt).

Unit : kg


Ethylbenzene Xylene Toluene Copper water-soluble salt
Discharge into the atmosphere 1,600 2,700 2,000 0
Discharge into public waterways 0 0 0 0
Discharge into soils at individual plants 0 0 0 0
Burial at individual plants 0 0 0 0
Discharge into sewage system 0 0 0 18
Conveyed to outside of individual plants 0 0 0 4,500

Targets of proper management of chemical substances in 2005

(1) Reduction of substances covered by RoHS Directive
1. To continue investigation on parts in which lead, mercury, cadmium, hexavalent chromium, and/or PBB and PBDE are used, their contents and alternatives.

2. Promote RoHS compliance of existing products.

3. Establish system for ensuring that the six target substances will not be included in RoHS compliant products.

4. Production sections to establish production systems to manufacture RoHS compliant products.

(2) Management of chemical substances
1. Comprehensive control of chemical substances according to JES-10019 "Chemical substance registration and management program".

2. Reduction of specified chemical substances


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