Device and procedure for the electrically triggered microdrop release with a dispensing head

US6599479B1 · kind B1 · utility

Assignee

• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Markus Kietzmann · Wolfratshausen, DE
• Markus Kalkum · Bonn, DE
• Thomas Przewieslik · Berlin, DE
• Holger Eickhoff · Berlin, DE
• Carsten Arold · Berlin, DE

Key dates

• Filing date: Jun 2, 2000
• Grant date: Jul 29, 2003
• Expiry date: Jul 27, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T436/2575
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A multi-channel dispensing head including a plurality of micropipettes, each micropipette having an electrically actuatable trigger device with a ground and signal terminal; and a shared carrier having a plurality of receptacles located in a one- or two-dimensional arrangement and sized and shaped to receive said micropipettes, each receptacle having a ground and signal contact, wherein the ground and signal contacts on the carrier are spaced apart in the direction of a longitudinal axis extending through the respective micropipettes and each of the ground and signal contacts on the carrier contacting the ground and signal terminals of the trigger devices, respectively.