etchant in a sentence

1. it finds increasing use as an etchant in microelectronics.

2. the plate is then dipped in a bath of acid, technically called the mordant(french for"biting") or etchant, or has acid washed over it.

3. the ink receives impressions like traditional soft ground, resists the ferric chloride etchant, yet can be cleaned up with warm water and either soda ash solution or ammonia.

4. You can imagine that such an etch might be a problem if the top silicon surface were bare; similarly, the holes, if unprotected, would blow out in the presence of an isotropic etchant.

5. The cost of laser patterning is roughly one-fourth the cost of photo patterning since the equipment costs are lower and there are no consumables like photo resist, etchants, or strippers.