Publication

New results on powder blasting techniques applied to the manufacture of piezocomposite structures

Martinus Adela Maria Gijs
2002
Conference Papers

Abstract

We present the last results concerning investigation of powder blasting techniques to micromachined complex-patterned piezoelectric composite transducers. This technology consists of a beam of eroding powder particles, etching an in-situ-masked PZT plate. We manufacture honeycomb-patterned structures, which can not be achieved with a standard saw-dicing technique.

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Martinus Adela Maria Gijs
2002
Conference Papers

Abstract

Official source

Related concepts (22)

Sandblasting

Sandblasting, sometimes known as abrasive blasting, is the operation of forcibly propelling a stream of abrasive material against a surface under high pressure to smooth a rough surface, roughen a smooth surface, shape a surface or remove surface contaminants. A pressurised fluid, typically compressed air, or a centrifugal wheel is used to propel the blasting material (often called the media). The first abrasive blasting process was patented by Benjamin Chew Tilghman on 18 October 1870.

Gunpowder

Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). The sulfur and carbon act as fuels while the saltpeter is an oxidizer. Gunpowder has been widely used as a propellant in firearms, artillery, rocketry, and pyrotechnics, including use as a blasting agent for explosives in quarrying, mining, building pipelines and road building.

Technology education

Technology education is the study of technology, in which students "learn about the processes and knowledge related to technology". As a field of study, it covers the human's ability to shape and change the physical world to meet needs, by manipulating materials and tools with techniques. It addresses the disconnect between wide usage and the lack of knowledge about technical components of technologies used and how to fix them. This emergent discipline seeks to contribute to the learners' overall scientific and technological literacy, and technacy (see ).