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 ?
In the semiconductor wafer manufacturing process, an organic photoresist is used about thirty times as the wafer rides through the process," he says.
In epitaxial silicon wafers, the most common crystallographic defect is the epi stacking fault (ESF).
Patented Wafer Holder and Contact Ring Seal: The Stratus successfully overcomes two critical, yet inherent technical limitations of traditional electroplating technology.
Reid, president and chief executive officer of Ibis Technology Corporation, said, "We are pleased that the SUMCO implanter has completed the final acceptance process, and we expect that SUMCO will begin using this tool for producing 300-millimeter SIMOX-SOI wafers immediately.
Our first lot of wafers for mass production of DRAM using advanced 90 nm process technology started on October 17, 2005," said Shuichi Otsuka, president of Hiroshima Elpida.
Since that time, our engineers have worked very closely with the SUMCO engineers not only to complete the rigorous factory acceptance testing process, but to improve the quality and lower the cost of 300 mm SIMOX-SOI wafers processed through the implanter.
Cubic Wafer is a privately owned company that delivers proprietary platform technology to accomplish 3D chip stacking and integration without the size and scalability limitations of conventional flip-chip and wire bond approaches.
designs, manufactures and markets wafer handling solutions for the semiconductor industry, mechanical and odd-form component assembly solutions for the electronics industry, liquid handling solutions for the life sciences industry, and other automated handling, assembly and test solutions.
In order to expedite the implementation of this new product, Quartz Unlimited will sell the quartz wafers directly to the chipmaking fabs worldwide.
In addition to the emergence of SoC flip chip products, the 300 mm wafer format that is fast becoming the industry-standard more than doubles the number of die to be tested on flip chip device wafers and places significant demands and challenges on semiconductor manufacturers' performance testing capabilities.
These capabilities include automated wafer-level defect classification (wafer-level ADC), automated wafer dispositioning, patented sampling strategies for faster yield learning, and the management and analysis of all-surface data collected from the wafer's frontside, edge, and backside.