Tempering Methods and Tempering Device for the Thermal Treatment of Small Amounts of Liquid
First Claim
1. A temperature control process for performing a defined, in particular cyclical, thermal treatment of small amounts of liquid, in which one or several amounts of liquid are applied onto a substrate (1), the substrate (1) is brought into thermal contact with a heating device (7) which is started up during the heating phases of the thermal treatment, a thermally conductive element (9) is brought into thermal contact with the substrate or the heating device (7) during the cooling phases of the thermal treatment, the thermal capacity of the heating device being greater than or equal to the sum of the thermal capacities of the amounts of liquid (3), the substrate (1) and at least that part of the heating device (7) which is in thermal contact with the substrate, and the thermal contact between the thermally conductive element (9) and the substrate (1) is interrupted during the heating phases of the thermal treatment and the heating device (7) is started up.
4 Assignments
0 Petitions
Accused Products
Abstract
Tempering methods are provided for performing a defined, particularly cyclical thermal treatment of small amounts of liquid on substrates. One or several amounts of liquid are applied to a substrate. The substrate is brought in thermal contact with heating apparatus that is started during heating phases of the thermal treatment. A thermally conductive element having thermal capacity greater than or equal to the sum of thermal capacities of the amounts of liquid, substrate and at least part of the heating apparatus in thermal contact with the substrate, is brought in thermal contact with the substrate or the heating apparatus during cooling phases of the thermal treatment. Thermal contact between the thermally conductive element and substrate is interrupted and the heating apparatus started during heating phases of the thermal treatment. A tempering method in which substrates having integrated heating are used as well a tempering device suitable for carrying out these methods, are also provided.
20 Citations
32 Claims
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1. A temperature control process for performing a defined, in particular cyclical, thermal treatment of small amounts of liquid, in which
one or several amounts of liquid are applied onto a substrate (1), the substrate (1) is brought into thermal contact with a heating device (7) which is started up during the heating phases of the thermal treatment, a thermally conductive element (9) is brought into thermal contact with the substrate or the heating device (7) during the cooling phases of the thermal treatment, the thermal capacity of the heating device being greater than or equal to the sum of the thermal capacities of the amounts of liquid (3), the substrate (1) and at least that part of the heating device (7) which is in thermal contact with the substrate, and the thermal contact between the thermally conductive element (9) and the substrate (1) is interrupted during the heating phases of the thermal treatment and the heating device (7) is started up.
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3. A temperature control process for performing a defined, in particular cyclical, thermal treatment of small amounts of liquid in which
one or several amounts of liquid are applied onto a substrate, the substrate being equipped with a heating device, a thermally conductive element is brought into thermal contact with the substrate during the cooling phases of the thermal treatment, the thermal capacity of the element being greater than or equal to the sum of the thermal capacities of the amounts of liquid and the substrate, and the thermal contact between the thermally conductive element and the substrate is interrupted during the heating phases of the thermal treatment and the heating device is started up.
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13. A temperature control device for performing a defined, in particular cyclical, thermal treatment of small amounts of liquid on substrates, which device is equipped with the following:
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a heating device (7), a retaining device for a substrate (1) which allows the substrate (1) to be placed into thermal contact with the heating device (7), a thermally conductive element (9) which can be brought into thermal contact with a substrate (1) held by the retaining device or with the heating device (7) and whose thermal capacity is greater than the sum of the thermal capacities of the substrate (1) and the heating device (7) and a movement device (13, 15) which is designed in such a way that it is capable of bringing the thermally conductive element (9) into thermal contact with the substrate (1) or the heating device (7). - View Dependent Claims (14, 15, 16, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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17. A temperature control device for performing a defined, in particular cyclical, thermal treatment of small amounts of liquid on substrates, which device exhibits the following:
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a retaining device for a substrate which is equipped with an integrated heating device, an energy supply device by means of which energy can be introduced into the heating device of the substrate in order to heat it, a thermally conductive element which can be brought into thermal contact with a substrate held by the retaining device and whose thermal capacity is greater than the thermal capacity of the substrate and a movement device which is designed in such a way that it is capable of bringing the thermally conductive element into thermal contact with the substrate. - View Dependent Claims (18, 19, 30, 31)
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Specification