wafer

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wa·fer

(wā'fĕr),
A thin sheet of dried flour paste used to enclose a powder. The wafer is moistened and folded over the drug, so that it can be swallowed without taste.
[M.E., fr. O.Fr. waufre, fr. Germanic]

wafer

(wā′fər)
n.
Pharmacology A flat, tablet of rice paper or dried flour paste encasing a powdered drug.
tr.v. wa·fered, wa·fering, wa·fers
Pharmacology To prepare in the form of wafers.

wafer

(wā′fĕr)
A thin envelope or disk used to enclose a medication or to separate two structures from one another.

wafer 

A very thin lens to be cemented on a larger lens to make a bifocal lens.
References in periodicals archive ?
The external shipment volume of monocrystalline silicon ingots was 315.5MW, representing an increase of 34% when compared with 234.8MW in 2016.
Kojima et al., "Evaluation of defects generation in crystalline silicon ingot grown by cast technique with seed crystal for solar cells," Journal of Applied Physics, vol.
Muller, "Silicon ingot casting: process development by numerical simulations," Solar Energy Materials and Solar Cells, vol.
These durable and reliable devices are made from many silicon wafers sliced individually from cylindrical crystalline silicon ingots by saws.
The contract calls for SunPower to purchase approximately $20 million of silicon ingots from REC SiTech and builds on previous ingot supply agreements and purchase orders between the two companies.
JinkoSolar has built a vertically integrated solar product value chain, with an integrated annual capacity of 9 GW for silicon ingots and wafers, 5 GW for solar cells, and 9 GW for solar modules, as of June 30, 2018.
It has built a vertically integrated solar product value chain, with an integrated annual capacity of 8 GW for silicon ingots and wafers, 5 GW for solar cells and 8 GW for solar modules.
LONGi, which invested some RM1.3bil at the high tech park two years ago, produces mono crystalline silicon ingots, wafers, cells and modules.
The facility, located on 19.66 acres, was constructed by Panasonic subsidiary Sanyo Solar and designed to manufacture silicon ingots for solar power cells.
Polycrystalline silicon ingots are then moulded from the crystalline silicon granules (solar-grade silicon).
JinkoSolar has built a vertically integrated solar product value chain, with an integrated annual capacity of 3 GW for silicon ingots and wafers, 2.5 GW for solar cells, and 4.3 GW for solar modules, as of December 31, 2015.

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