Microwave drill for ceramics

The microwave-drill operation is based on the concentration of microwave energy into a small hot spot, much smaller than the microwave wavelength itself. This is done using a near-field microwave concentrator, which is brought in contact with the material to be drilled. The microwave energy localize...

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Bibliographic Details
Published inAmerican Ceramic Society bulletin Vol. 82; no. 1; pp. 35 - 37
Main Authors JERBY, E, DIKHTYAR, V, AKTUSHEV, O
Format Magazine Article
LanguageEnglish
Published Westerville, OH American Ceramic Society 2003
Subjects
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
General studies
Technical ceramics
Microwave
Technical ceramics
Boring
Machining
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Summary:The microwave-drill operation is based on the concentration of microwave energy into a small hot spot, much smaller than the microwave wavelength itself. This is done using a near-field microwave concentrator, which is brought in contact with the material to be drilled. The microwave energy localized underneath the material surface generates a small hot spot in which the material becomes soft or even molten. The concentrator pin itself is then inserted into the molten hot spot and shapes its boundaries. Finally, the concentrator is pulled out from the drilled hole, and the material cools in its new shape. The microwave drill is effective for drilling and cutting in a variety of hard, nonconductive materials (including concrete, silicon, ceramics, rock, glass, plastic and wood) but not in metals.
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ISSN:0002-7812
1945-2705