| 摘要 |
The invention relates to a cold component of a cryogenic cooler, in particular, for cooling electronic components. It is necessary to minimize the thermal resistance between the cooling medium (11) and the external wall surface on the front face of the cold end of the cold finger (3), in order to achieve an effective cooling of the electronic component. One possibility is the physical enlargement of the outer wall surface of the front face. The surfaces involved in heat transfer may be effectively increased in size with an almost unchanged volume of the expansion chamber, whereby the inner side of the heat transmitter (10) and the end of the regenerator (5) facing the heat transmitter (10) are ribbed such that the ribs (9, 13) intermesh with each other in the end position of the regenerator (5).
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