Halfgeleider fotonenbronnen

Halfgeleider fotonen bronnen zijn vaste stof lichtbronnen, die licht uitzenden zonder gebruik te maken van gloeiprocessen. Vele halfgeleidende verbindingen zoals GaAs zijn directe halfgeleiders d.w.z. aan de elektron-gat recombinatie nemen geen fotonen deel. De huidige technologie is nu zover gevorderd, dat niet alleen halfgeleidende verbindingen zoals GaAs of GaP zeer zuiver gemaakt kunnen worden, maar ook de hele reeks van halfgeleidende mengkristallen GaAs(x)P(l-x) gevormd uit twee of meer halfgeleidende verbindingen.

Download Fotonica nr. 1, 1985

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References

Order of frictions and stiffnesses…

For lumped systems consisting of different frictions and stiffnesses, there has been confusion in literature about hysteresis curves and virtual play for many decades.

Make it clean

In mid-April, the second edition of the Manufacturing Technology Conference and the fifth edition of the Clean Event were held together, for the first time, at the Koningshof in Veldhoven (NL).

Bringing particles to light

Particle contamination monitoring and cleanliness control are fundamental to micromanufacturing processes across diverse industries to achieve cost-effective production of high-quality and reliable microscale devices and components.