etchant उदाहरण वाक्य

The second is due to an isotropic etchant, which means the etchant etches in all directions equally.
The etchant would bite into the unprotected areas, causing the painted areas to be raised into relief.
In bubble etching, air is passed through the etchant bath to agitate the solution and speed up etching.
In spray etching, the etchant solution is distributed over the boards by nozzles, and recirculated by pumps.
A test piece may be made with etching times noted, as the strength of the etchant will vary.

The wafer can be immersed in a bath of etchant, which must be agitated to achieve good process control.
In these publications, by comparison, the Wright etch was the preferred etchant to reveal defects in silicon crystals.
On high reliability boards a process called etch-back is performed chemically with a potassium permanganate based etchant or plasma.
Small-scale etching requires attention to disposal of used etchant, which is corrosive and toxic due to its metal content.
A new grade of ceric ammonium nitrate was introduced with tighter metals tolerances for use as an electronics-grade etchant component.