ETYMOLOGY OF THE WORD ETCH
From Dutch etsen, from Old High German azzen to feed, bite.
CONJUGATION OF THE VERB TO ETCH
PRESENT
Present
I etch
you etch
he/she/it etches
we etch
you etch
they etch
Present continuous
I am etching
you are etching
he/she/it is etching
we are etching
you are etching
they are etching
Present perfect
I have etched
you have etched
he/she/it has etched
we have etched
you have etched
they have etched
Present perfect continuous
I have been etching
you have been etching
he/she/it has been etching
we have been etching
you have been etching
they have been etching
Present tense is used to refer to circumstances that exist at the present time or over a period that includes the present time. The
present perfect refers to past events, although it can be considered to denote primarily the resulting present situation rather than the events themselves.
PAST
Past
I etched
you etched
he/she/it etched
we etched
you etched
they etched
Past continuous
I was etching
you were etching
he/she/it was etching
we were etching
you were etching
they were etching
Past perfect
I had etched
you had etched
he/she/it had etched
we had etched
you had etched
they had etched
Past perfect continuous
I had been etching
you had been etching
he/she/it had been etching
we had been etching
you had been etching
they had been etching
Past tense forms express circumstances existing at some time in the past,
FUTURE
Future
I will etch
you will etch
he/she/it will etch
we will etch
you will etch
they will etch
Future continuous
I will be etching
you will be etching
he/she/it will be etching
we will be etching
you will be etching
they will be etching
Future perfect
I will have etched
you will have etched
he/she/it will have etched
we will have etched
you will have etched
they will have etched
Future perfect continuous
I will have been etching
you will have been etching
he/she/it will have been etching
we will have been etching
you will have been etching
they will have been etching
The
future is used to express circumstances that will occur at a later time.
CONDITIONAL
Conditional
I would etch
you would etch
he/she/it would etch
we would etch
you would etch
they would etch
Conditional continuous
I would be etching
you would be etching
he/she/it would be etching
we would be etching
you would be etching
they would be etching
Conditional perfect
I would have etch
you would have etch
he/she/it would have etch
we would have etch
you would have etch
they would have etch
Conditional perfect continuous
I would have been etching
you would have been etching
he/she/it would have been etching
we would have been etching
you would have been etching
they would have been etching
Conditional or "future-in-the-past" tense refers to hypothetical or possible actions.
IMPERATIVE
Imperative
you etch
we let´s etch
you etch
The
imperative is used to form commands or requests.
NONFINITE VERB FORMS
Present Participle
etching
Infinitive shows the action beyond temporal perspective. The
present participle or gerund shows the action during the session. The
past participle shows the action after completion.
10 ENGLISH BOOKS RELATING TO «ETCH»
Discover the use of
etch in the following bibliographical selection. Books relating to
etch and brief extracts from same to provide context of its use in English literature.
1
Introduction to Microfabrication
But both gases etch silicon too, and they are suitable for non-selective etching
only. CHF3, C2F6 and C4F8 are used as oxide etch gases when selectivity
against silicon is required. They provide fluorine and carbon for etching (SiF4,
CO2 etch ...
2
Fundamentals of Microfabrication: The Science of ...
The four-electrode approach allows etch stopping on lower quality epis (larger
leakage current) and should also enable etch stopping of p-type epi on n-type
substrates. Kloeck et al.198 demonstrated that, using such an electrochemical ...
3
Topics in Growth and Device Processing of III-V Semiconductors
Wet chemical etch mixtures for GaAs. Mixture Comments H2SO4/H2O2/H2O etch
rate of up to 5 /jm-min"1 for low dilution. HNO3/H2O2/H2O etch rate of up to 7 pm-
min"1 for low dilution. HCl/H2O2/H2O HNO3 may be substituted for H2O2, and ...
S. J. Pearton, C. R. Abernathy, F. Ren, 1996
4
The Way Toys Work: The Science Behind the Magic 8 Ball,
Etch ...
A Selection of the Scientific American Book ClubProfiling 50 of the world's most popular playthings--including their history, trivia, and the technology involved--this guide uncovers the hidden science of toys.
Ed Sobey, Woody Sobey, 2008
5
Electronic Materials Handbook: Packaging
thick photoresist layer and soft bake at less than 140 °C (285 °F); 3, expose and
develop photoresist in aqueous-base developer, which will also etch polyimide; 4
, strip positive photoresist and cure polyimide. acid can be developed rapidly ...
6
Hand Function in the Child: Foundations for Remediation
The Evaluation Tool of Children's Handwriting (ETCH) is designed to evaluate
manuscript (ETCH- M) and cursive (ETCH-C) handwriting skills of children in
grades 1 through 6 who are experiencing difficulty with written communication.
Anne Henderson, Charlane Pehoski, 2006
There are several etch bath compositions that are used for surface etching
inspection. These are ammonium bifluoride (ABF), blue etch anodize (BEA), and
dilute aqueous HF/HNO3. These are described in Table 3.3. From this table, it
can be ...
Gerd Lütjering, James C. Williams, 2007
8
Plasma Processing: Proceedings of the International Symposium
Etch must possess excellent CD control with minimal CD loss, superior trench
profile with minimal microloading, smooth edge-rounding with low stress and
leakage, good trench depth uniformity with minimal etch rate microloading, high ...
9
Metallographer's Guide: Practice and Procedures for Irons ...
For ferrite-pearlite steels and ferritic steels containing carbides, a combination
etch using mixed 4% picral and 2% nital will delineate the boundaries between
the carbides and ferrite and the ferrite grain boundaries. Figure 8.31 shows the ...
It will be clear that this observation hints at a conflict embedded in all dry etch
processes, namely that improving anisotropy is in contradiction with the
requirement of high selectivity, at least in this simple model. That good processes
can be ...
A.J. van Roosmalen, J.A.G. Baggerman, S.J.H. Brader, 1991
10 NEWS ITEMS WHICH INCLUDE THE TERM «ETCH»
Find out what the national and international press are talking about and how the term
etch is used in the context of the following news items.
Etch a Sketch Turns 55
BRYAN, OH - On July 12, 2015, Etch A Sketch will officially turn 55. ... “For fifty-five years Etch A Sketch has remained one of the world's most ... «Gifts & Decorative Accessories, Jul 15»
Everything you know about OpenStack is wrong
... delivery" the scope of topic is so broad that there's a really good chance they're working with an Etch-a-Sketch that lacks some of the knobs. «The Register, Jul 15»
IBM has built the most powerful computer chips in the world
... alloy the company has been using since 1989—for its transistors, and a new way to etch the chips, called extreme ultraviolet lithography. «Quartz, Jul 15»
UChicago researchers develop artificial, bonelike material for use …
The semiconductor industry uses wet chemical etching with an etch ... “This is a fundamentally new mechanism for etch mask or etch resist,” ... «UChicago News, Jul 15»
Old school college football moments that would've broken Twitter
... Stanford's go-ahead score followed by the multiple lateral return would have been enough to etch the game in college football lore forever. «CBSSports.com, Jul 15»
Steadfast Coffee to open second Nashville cafe
... retail tenants at the 20-story Encore condominium building at 301 Demonbreun St., alongside Etch, The Farm House, Bakersfield restaurant, ... «The Tennessean, Jul 15»
Bill Cosby's friend Jimmie (JJ) Walker says comedian 'did wrong …
“He has done a ton of good work, and I hate to see it Etch-a-Sketched from humanity,” the comic — best known for his “Good Times” ... «New York Daily News, Jul 15»
Amerigo alums making mark as independent restaurant group
“We have a range from casual Mexican (Sombra Mexican Kitchen in Ridgeland) to the extreme fine dining Etch in Nashville,” Hogrefe said. «Mississippi Business Journal, Jul 15»
IBM announces world's most powerful computer chip
It must also grapple with the shift to using extreme ultraviolet, or EUV, light to etch patterns on chips at a resolution that approaches the ... «Worcester Telegram, Jul 15»
The definitive film review of 'Andy and Randy Kennedy'
Etch "192 games" into bronze and marble and obsidian. Let all who pass by here say "192 games" and feel heartened awe. Let Leonidas and ... «Red Cup Rebellion, Jul 15»
