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Comments by "" (@ntabile) on "The Semiconductor Health and Cancer Problem" video.
If they are still using high-pressure gases, there will be a high risk of gas leaks due to corrosion and chokage. Nowadays , we are using SDS bottles to be lesser risk for leaks. We experienced gas explosion using high-pressure bottles 20 years back. My ex colleague was changing Arsine bottle and mistakenly cracked the pigtail line of a phosphine bottle without closing the stem valve. Fab evacuation and thorough safety investigation follows.
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I'm still working in implant for more than 20 yrs. So numerous fab evacuation alarm experiences we have encountered. Imagine a dummy wafer can emit outgassing residues that can trigger fab alarm if those dummy wafers are not replaced in a recommended period of time.
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NEWATER is good.
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We use recycled water in the fab called Newater.
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Our company is very strict in handling, usage, storage in recycling chemicals and gases. Singapore government is very strict in implementing environmental laws of the land.
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One of our concern is HF.
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@gregorymalchuk272 We have a periodic Arsenic level, so far it is not high and normal as he has a protective SCBA when he did that.
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I meant we have an Arsenic level test that day and periodically.
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@Taiwan is a country I am still working in a fab for more than 20 years in Implant. I still scrub the Source Region chamber.
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