The Computer-chip industry gets safer : manufacturers cut ethers to eliminate hazards

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      <subfield code="a">The Computer-chip industry gets safer</subfield>
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      <subfield code="a">The U.S. semiconductor industry has consistently ranked in the top 5 percent among major durable goods manufacturers for low work-related injury-and-illness rates. That does not mean, however, that the industry is free of concern. Three separate toxicological investigations have shown that ethylene-based glycol ethers, used to assemble the silicon wafers that hold the microchips, may cause reproductive problems in female wafer-fabrication workers. In December 1993, Dr. Donald V. Lassiter, a San Jose, Calif., environmental and occupational health consultant, presented a paper that summarized the studies at a Tokyo Technology Symposium sponsored by Semiconductor Equipment and Materials International. Based on the studies, Lassiter expects that practically all U.S. companies will have switched to alternatives substances by the end of 1994</subfield>
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      <subfield code="g">Vol. 149, nº 5, May 1994 ; p. 80-84</subfield>
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