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low temperature cofired ceramics (package) (LTCC)

Low Temperature Cofired Ceramics (LTCC) are glass-ceramic foils used as substrate material in thick-film technology and for thick-film components in microsystems technology. They are processed as soft ceramic films and sintered between 850 °C and 900 °C. After sintering, they are solid and stable. In contrast, High Temperature Cofired Ceramics( HTCC) is sintered between 1,600 °C and 1,800 °C.

Conductive materials with a lower melting point, such as copper or silver, can be applied to the temperature-resistant LTCC foils as conductive tracks and equipped with components.

LTCC-based micro actuator, photo: Fraunhofer Institut IKTS

LTCC-based micro actuator, photo: Fraunhofer Institut IKTS

LTCC technology is a key technology in the fabrication of discrete components and circuits that need to be realized in different materials. These include opto-electronic components, microsystem technology( MST) components and RF circuits such as RF amplifiers, RF filters, oscillators, diplexers, triplexers and couplers, which can be realized extremely compactly in thick film technology. In addition, this technology is used in the manufacture of optical components, displays and fuel cells.

LTCC technology is based on ceramics sintered at low temperature and uses different materials for the active and passive components. It is extremely interesting for the production of components used in extreme temperature conditions. For example, in the automotive industry, where these components can be used at temperatures above 150°C.

Informations:
Englisch: low temperature cofired ceramics (package) - LTCC
Updated at: 04.09.2012
#Words: 208
Links: substrate, indium (In), contrast, high temperature cofired ceramics (package) (HTCC), copper (Cu)
Translations: DE
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