passivation


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passivation

(păs″ĭ-vā′shĭn) [″]
The stabilization and protection of a surface from outside influences, e.g., the treatment of an atherosclerotic plaque to keep it from rupturing or of a metal to keep it from corroding.

passivation

the final stage in instrument manufacture, passing the finished instruments through a bath of nitric acid which removes foreign particles and promotes the formation of a protective coating of chromium oxide.

Patient discussion about passivation

Q. what is a passive smoking? and is it dangerous as an active?

A. Passive smoking is the exposure to cigarettes smoke emitted from cigarettes smoke by other person. It's dangerous and may increase the risk to several diseases similar to active smoking (one's exposure to smoke emitted from the cigarettes he or she is smoking) although the risk is of lower magnitude. Example for passive smoking is children of smokers etc.

You may read more here:http://www.nlm.nih.gov/medlineplus/secondhandsmoke.html

Q. what is it a passive smoking? and is it bad as as the active smoking? can i get cancer from it?

A. Passive smoking is the involuntary exposure of nonsmokers to tobacco smoke from the smoking of others. It is considered dangerous, and cause increased risk of cancer, although to a lesser degree than active smoking.

You may read more here:
http://www.nlm.nih.gov/medlineplus/secondhandsmoke.html

Q. Can I get lung cancer from passive smoking? All my friends smoke, can I get cancer by hanging out with them?

A. Yes, you can develop cancer by passive smoking. From what I've heard, non-smokers exposed to second-hand smoke at home or work, increase their risk of developing lung cancer by 20 percent to 30 percent.

More discussions about passivation
References in periodicals archive ?
Amtech and BTU will focus on the optimization of charging tool operation and test wafer-level charging experiment for various passivation stack options.
Conceivable Recipe Options POP OR DUAL PRINT SELECTIVE EMITTER REAR SIDE PASSIVATION P-Type Yes Yes Yes n-Type Yes Yes Yes MWT Yes Yes Yes EWT No No Yes
This shows that inorganic passivation strategies can be extremely effective and there's no reason to believe that we've come anywhere close to what's possible," he says.
The new category of anti-corrosion coating can create a long-lived passivation layer that stops corrosion.
After analyzing the reason why electrons escaped from the electron channel layer and accumulated in the passivation layer, Fujitsu traced the issue to the existence of defects in the crystallization of the SiN used as part of the passivation layer.
By acid pickling and electropolishing, the scales created by laser cutting have been removed and the smoothness on the electropolished stent was further at desired level by passivation treatment.
THE PASSIVATION PROBLEM CAN HAPPEN ONLY WITH THE LITHIUM SULFUR DIOXIDE BA-5590B/U, NSN 6135-01-438-9450, OR THE BA-5590A/U, NSN 6135-01-523-2037.
1) showed that one can use the breadth of the passivation region in anodic DC scans to assess the variability in corrosion resistance of cold-rolled steel panels.
The architecture uses PPLs for global interconnections, and IC fine-line metals under the passivation layer for local interconnections.
Dryer can passivation was also mentioned as a way to eliminate picking.