초록 ▼

A freeze fracture machine (100) comprises a vacuum chamber (110); a sample receptacle (160) for receiving a sample to be processed and a knife receptacle (150) for receiving a knife (110) for processing of the sample arranged in the vacuum chamber (155); a transfer lock (130) on the vacuum chamber (

A freeze fracture machine (100) comprises a vacuum chamber (110); a sample receptacle (160) for receiving a sample to be processed and a knife receptacle (150) for receiving a knife (110) for processing of the sample arranged in the vacuum chamber (155); a transfer lock (130) on the vacuum chamber (110) through which a sample and a knife (155) are introducible into the vacuum chamber (155) and positionable in the vacuum chamber (110) by means of a positioning apparatus (135); the sample and the sample receptacle (160) being positionable with respect to one another such that the sample is mountable on the sample receptacle (160) by means of the positioning apparatus (135); and the knife (155) and the knife receptacle (150) being positionable with respect to one another such that the knife (155) is mountable on the knife receptacle (150) by means of the positioning apparatus (135).

대표청구항 ▼

1. A freeze fracture machine (100) comprising: a vacuum chamber (110);a sample receptacle (160) for receiving a sample to be processed, the sample receptacle (160) being arranged in the vacuum chamber (110);a knife receptacle (150) for receiving a knife (155) provided for processing of the sample, t

1. A freeze fracture machine (100) comprising: a vacuum chamber (110);a sample receptacle (160) for receiving a sample to be processed, the sample receptacle (160) being arranged in the vacuum chamber (110);a knife receptacle (150) for receiving a knife (155) provided for processing of the sample, the knife receptacle (150) being arranged in the vacuum chamber (110);a transfer lock (130) through which the sample and the knife (155) are introducible into the vacuum chamber (110);a positioning apparatus (135) provided on the vacuum chamber (110), the positioning apparatus (135) being operable to introduce the sample and the knife (155) into the vacuum chamber (110) through the transfer lock (130) and position the sample and the knife (155) in the vacuum chamber (110);the sample being positionable with respect to the sample receptacle (160) by operation of the positioning apparatus (135) such that the sample is mountable on the sample receptacle (160) by operation of the positioning apparatus (135);the knife (155) being positionable with respect to the knife receptacle (150) by operation of the positioning apparatus (135) such that the knife (155) is mountable on the knife receptacle (150) by operation of the positioning apparatus (135); anda knife holder (151) for immobilizing the knife (155), wherein the knife holder (151) is mountable on the positioning apparatus (135) and is connectable to the knife receptacle (150);wherein the positioning apparatus (135) includes a slide rod removably mountable on the transfer lock (130), and the knife holder (151) is mountable at an end of the slide rod and is transferable from the end of the slide rod to the knife receptacle (150) by moving the slide rod relative to the knife receptacle (150). 2. The freeze fracture machine (100) according to claim 1, wherein the knife receptacle (150) is positionable into a changing position, and the positioning apparatus (135) is operable to mount the knife (155) on the knife receptacle (150) when the knife receptacle (150) is at the changing position. 3. The freeze fracture machine (100) according to claim 1, further comprising a sample holder (161) for immobilizing the sample, wherein the sample holder (161) is mountable on the positioning apparatus (135) and is connectable to the sample receptacle (160). 4. The freeze fracture machine (100) according to claim 3, wherein the knife receptacle (150) comprises receiving means (152) for receiving the knife holder (151) to establish a connection of the knife holder (151) to the knife receptacle (150). 5. The freeze fracture machine (100) according to claim 4, wherein the sample receptacle (160) comprises receiving means (162) for receiving the sample holder (161) to establish a connection of the sample holder (161) to the sample receptacle (160). 6. The freeze fracture machine (100) according to claim 4, wherein the receiving means (152) for receiving the knife holder (151) and the receiving means (162) for receiving the sample holder (161) each include two spaced apart rails. 7. The freeze fracture machine (100) according to claim 5, wherein the knife holder (151) comprises fastening means (153) corresponding to the receiving means (152) of the knife receptacle (150), wherein the fastening means (153) of the knife holder (151) are actuatable by operation of the positioning apparatus (135) to establish the connection of the knife holder (151) to the knife receptacle (150). 8. The freeze fracture machine (100) according to claim 7, wherein the sample holder (161) comprises fastening means (163) corresponding to the receiving means (162) of the sample receptacle (160), wherein the fastening means (163) of the sample holder (161) are actuatable by operation of the positioning apparatus (135) to establish the connection of the sample holder (161) to the sample receptacle (160). 9. The freeze fracture machine (100) according to claim 8, wherein the fastening means (153) of the knife holder (151) and the fastening means (163) of the sample holder (161) each include bolts. 10. The freeze fracture machine (100) according to claim 1, wherein the sample receptacle (160) is arranged at a fixed position in the vacuum chamber (110). 11. The freeze fracture machine (100) according to claim 1, wherein the positioning apparatus (135) is configured to displace the sample or the knife (155) inside the vacuum chamber (110) along an axis. 12. The freeze fracture machine (100) according to claim 1, wherein the slide rod is removably mountable on the transfer lock (130) by way of a housing (131) in which the slide rod is provided.