to etch
4
7.5
- verb
- /ɛtʃ/
- Specialized
:
grabar
- To produce detailed circuits, manufacturers must etch the surface of the semiconductor with precision tools.
- etch electronic circuits
- etch patterns
- etch silicon
Like an an AND gate, for instance, is a gate that you would actually etch into a chip here.
- Like an an AND gate, for instance, is a gate that you would actually etch into a chip here.
- But more to the point, you you etch the circuits on the semiconductor with lasers.
Examples
-
Next, a sacrificial layer of copper is deposited and etched to define the contact tip.
Academic text (1997) -
The next operation, removal of the seed layer, entailed separate steps to first etch the Cu and then the Cr.
Academic text (1998) -
Like an an AND gate, for instance, is a gate that you would actually etch into a chip here.
-
But more to the point, you you etch the circuits on the semiconductor with lasers.
-
After bonding is complete, the Si substrate is then completely etched away, leaving the glass support.
Academic text (1995) -
Most importantly, the material can be wet-etched to allow batch fabrication.
Academic text (1994) -
To ensure that the Cu seed is etched in the high-density feature areas, a 20% over-etch is used.
Academic text (1998) -
The periodic arrays can also be made with focused ion beams or by etching geometric holes into the heterostructure.
Academic text (1994) -
The barriers are first deposited as blanket films and then patterned and etched, followed by resist removal (Figure 2).
Academic text (1998) -
Folded strands of DNA litter an etched silicon wafer (above).
Academic text (2009)
Phrasal Verbs
How Much
- Specialized
15
6.3
- Specialized
1
9.9
- Specialized
4
7.5
64
2.4
Surface Forms
Etymology
Etch originally meant 'to bite' or 'eat away', the same idea as the word eat. That's why technicians say they etch circuits: they 'bite' away thin layers to leave very small patterns.