Liquid pipetting apparatus and micro array manufacturing apparatus
First Claim
Patent Images
1. A liquid pipetting apparatus for dispensing a minute amount of liquid comprising:
- at least one conduit member for holding the liquid therein and having a dispensing end;
a driving means;
an actuator associated with the at least one conduit member, anda controller configured to supply voltage to the driving means to move the at least one conduit member and dispense the liquid from a dispensing end thereof when the at least one conduit member is moved in a dispensing direction by voltage applied to the actuator, temporarily stopped, and then moved in a direction opposite the dispensing direction of the liquid by a decrease in the voltage applied to the actuator, wherein dispensing substantially occurs while concurrently moving the conduit member in the direction opposite the dispensing direction.
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Abstract
A liquid pipetting apparatus for dispensing liquid of minute volume for use in a survey instruments of a hemanalysis machine, a genetic screening, and a pharmaceutical screening, etc., is disclosed. The liquid pipetting apparatus comprises a liquid holding member for holding the liquid, and capable of dispensing the liquid from one end, and a driving member for moving the liquid holding member forward and backward along the dispensing direction, the liquid holding member being moved by the driving means, thereby dispensing the liquid held on the liquid holding member.
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Citations
20 Claims
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1. A liquid pipetting apparatus for dispensing a minute amount of liquid comprising:
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at least one conduit member for holding the liquid therein and having a dispensing end; a driving means; an actuator associated with the at least one conduit member, and a controller configured to supply voltage to the driving means to move the at least one conduit member and dispense the liquid from a dispensing end thereof when the at least one conduit member is moved in a dispensing direction by voltage applied to the actuator, temporarily stopped, and then moved in a direction opposite the dispensing direction of the liquid by a decrease in the voltage applied to the actuator, wherein dispensing substantially occurs while concurrently moving the conduit member in the direction opposite the dispensing direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification