surface passivation

surface passivation

[′sər·fəs ‚pas·ə′vā·shən]
(electronics)
A method of coating the surface of a p-type wafer for a diffused junction transistor with an oxide compound, such as silicon oxide, to prevent penetration of the impurity in undesired regions.
References in periodicals archive ?
The patented process is said to cost-effectively overcome the slow leach kinetics and poor copper recoveries commonly experienced with ferric sulphate leaching due to surface passivation issues.
While, for p-type monocrystalline modules, dubbed Honey Ultra employs a second-generation Honey cell technology that is the latest world record, comprising back surface passivation technology and low-resistance connection technology, along the lines of a typical PERC (Passivated Emitter and Rear Cells) solar cell design.
Additionally, the solar cells include a novel surface passivation that reduces electrical carrier recombination on the surfaces by a factor of 10.
Since the silanes form a close mesh and are chemically bonded to the metal, they increase surface passivation and in this way impede corrosion.
4404 (AISI 316L) stainless steel with internal and external electropolished surface passivation.
4404 (AISI 316L) stainless steel, with internal and external electropolished surface passivation.
For example, the company can create a higher sheet resistance emitter as well as enhanced surface passivation dielectrics in a single high temperature step.
After annealing the samples were subjected to surface passivation treatment, carried out in a solution of 20% HNO3 for 15 min at 600C.
35 mm device has surface passivation to protect the device and provide a rugged part with backside via holes and gold metallization to allow either a conductive epoxy or eutectic solder die attach process.
Ferro's NS 3169 n-contact paste offers low contact resistance, low bulk resistivity, good solderability, and fires through a variety of back surface passivation layers.
The trend in the solar industry towards ever thinner wafers for crystalline solar cells with higher levels of efficiency at the same time requires an improved surface passivation of the cell rear side.
The chips feature surface passivation for protection and provide a rugged part.