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Company Profile:Environmental Activities

Phased out substances

Phased out substances

The substances described below were phased out from use in our semiconductor products based on programs designed to reduce the use of potentially harmful substances such as the 33/50 program.

No. Material name Year Remarks
1. Trichloro ethylene (TCE) -1989

 

2. CFCs -1991 ODS(1)
3. Tetrachloro ethylene (PCE) -1991

 

4. 1.1.1-Trichloro ethane(TCA) -1993 ODS(1)
5. Carbon tetrachloride -1994 ODS(1)
6. PBBs -1994 RoHS(2)
7. PBDEs -1994 RoHS(2)
8. Methylene chloride -1999

 

9. Hydrazine -2001

 

10. Ethylene based glycol ethers -2001

 

Note:
  1. ODS (Substances that potentially deplete the Ozone layer.)
    ODS are regulated under the "Law concerning the Protection of the Ozone Layer through the Control of Specified Substances and Other Measures (JAPAN)", and Montreal Protocol.
  2. RoHS
    Substances restricted by the EU DIRECTIVE 2002/95/EC on the restriction of the use of certain hazardous substances (RoHS Directive)
    penta-bromobyphenyl, octa-bromobyphenyl, deca-bromobyphenyl, etc. are included in the PBBs, and penta-bromodiphenyl ether, octa-bromodiphenyl ether, deca-bromodiphenyl ether etc. are included in PBDEs.

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