passivationn.
/ˌpasᵻˈveɪʃn/, U.S. /ˌpæsəˈveɪʃ(ə)n/ Manufacturing Technology.
The process or action of passivating a metal or semiconductor.
ΘΚΠ
society > occupation and work > industry > working with specific materials > working with coating or covering materials > [noun] > coating with protective material
passivification1907
passivifying1907
passivation1912
passivating1914
passivication1922
1912 Trans. Faraday Soc. 8 234 (heading) Direct experiments on the passivation of metals.
1925 Jrnl. Iron & Steel Inst. 111 601 The anodic passivation of iron in sodium sulphate solution is demonstrated experimentally.
1964 IBM Jrnl. Res. & Devel. 8 385/1 Films..used for surface passivation of semiconductor devices.
1999 Engineering Nov. 59/1 Arcor [is] a process which combines thermotechnical diffusion with a passivation and finishing treatment.
Compounds
passivation layer n. a surface layer of a substance which provides protection against corrosion or contamination.
ΚΠ
1983 Financial Times (Nexis) 6 May ii. 33 The company makes high vacuum systems for depositing materials... This usually forms the ‘passivation’ layer which seals the chip from dust particles when the processing cycle is complete.
2003 Solid State Technol. (Nexis) 46 SS2 By establishing multiple metal and passivation layers (up to 5), passive components are built directly onto the die.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
<
n.1912