H01J2237/204

Charged Particle Beam Apparatus
20220189731 · 2022-06-16 ·

A charged particle beam apparatus includes: a specimen chamber; a specimen holder that is disposed in the specimen chamber; a specimen exchange chamber that is connected to the specimen chamber; a transporting mechanism that transports a specimen between the specimen chamber and the specimen exchange chamber; a first temperature sensor that measures a temperature of the specimen holder; a second temperature sensor that measures a temperature of the transporting mechanism; and a control unit. The control unit: calculates a temperature difference between the specimen holder and the transporting mechanism based on the temperature of the specimen holder and the temperature of the transporting mechanism when the control unit has received an instruction to transport a specimen; determining whether the temperature difference is a threshold or more; and stopping transportation of a specimen when the control unit has determined that the temperature difference is the threshold or more.

VACUUM APPARATUS

A vacuum apparatus includes: a chamber; and a transfer robot transferring a processing object into the chamber, wherein the transfer robot includes an arm portion, a support portion provided at a tip of the arm portion and having a lower thermal conductivity than the arm portion, a plate provided between the support portion and the processing object and having a higher thermal conductivity than the support portion, and a support pad provided on the support portion and supporting the processing object by being in contact with the processing object while separating the processing object from the plate, a contact region allowing the support portion and the plate to be in contact with each other therein and a space region separated the support portion and the plate from each other are provided between the support portion and the plate, and the plate includes a projection configured as the contact region.

Charged particle beam system
11342158 · 2022-05-24 · ·

There is provided a charged particle beam system capable of determining the type of each cartridge precisely. An electron microscope that embodies the charged particle beam system includes a discriminator for determining the type of each cartridge based on the range or distance measured by a laser range finder. Plural cartridges are received in a magazine. The laser range finder measures the range to a selected one of the plural cartridges which is placed in a measurement position. A first cartridge of a first type included in the plural cartridges has a first measurement surface at a first distance to the laser range finder when placed in the measurement position. A second cartridge of a second type has a second measurement surface at a second range to the laser range finder when placed in the measurement position.

SYSTEM AND METHOD FOR HANDLING CRYO-CHARGED PARTICLE SAMPLES
20220155193 · 2022-05-19 · ·

The invention relates to a Cryo-Charged Particle (CCP) sample handling and storage system. The system is used for storing and handling cryo-samples for use in charged particle microscopy, such as cryo-electron microscope samples for use in cryo-transmission electron microscopy. The system comprises a storage apparatus for storing a plurality of CCP samples, and a Charged Particle Apparatus (CPA), such as a cryo-TEM, at a location remote from said storage apparatus. The system further comprises a transfer device that is releasably connectable to said storage apparatus, and that is releasably connectable to said CPA as well. As defined herein, said transfer device is arranged for acquiring a CCP sample from said plurality of CCP samples when connected to said storage apparatus, and arranged for transferring said CCP sample from said transfer device to said CPA when connected to said CPA.

SYSTEMS AND APPARATUSES FOR CONTAMINATION-FREE VACUUM TRANSFER OF SAMPLES

Various approaches are provided for contamination-free vacuum transfer of samples. As one example, an apparatus includes a compartment configured to store multiple samples held by a cartridge removably coupled to the compartment, a sample port for transferring the cartridge between a charged particle system and a position within the compartment, and a valve configured to seal the compartment at vacuum pressure during transport of the multiple samples between charged particle systems. In this way, samples such as lamellae may be transferred between charged particle systems while maintaining the samples at vacuum pressure, thereby reducing the possibility of sample contamination during sample transfer.

Substrate processing system and substrate transfer apparatus and method
11721564 · 2023-08-08 · ·

A substrate processing system includes a first substrate processing chamber, a first substrate transfer chamber connected to the first substrate processing chamber, a second substrate processing chamber, and a second substrate transfer chamber connected to the second substrate processing chamber. The substrate processing system further includes a buffer chamber connected between the first substrate transfer chamber and the second substrate transfer chamber, the buffer chamber having at least one substrate holder. At least a part of the buffer chamber and at least one of the first substrate transfer chamber or the second substrate transfer chamber are vertically overlapped with each other.

Holding apparatus for sample carriers, and method for introducing and withdrawing a sample carrier

The invention relates to a holding apparatus (100) for sample carriers (200) for use in cryomicroscopy, encompassing: a body having at least one sample carrier receptacle that comprises at least one sample carrier support surface against which at least one sample carrier (200) is abuttable; at least one first sample carrier holding means (121); and at least one second sample carrier holding means (131) that is configured to impinge upon the sample carrier (200) with force against the first sample carrier holding means (121); and to an arrangement having a manipulation container and such a holding apparatus (100), and to methods for introducing and withdrawing a sample carrier (200).

CRYOGENIC SAMPLE HANDLING AND STORAGE SYSTEM

The invention relates to a sample handling and storage system. The system is used for storing and handling samples, which may be cryogenic samples, that are arranged for use in charged particle microscopy, such as cryo-electron microscope samples for use in cryo-transmission electron microscopy. The system comprises a storage apparatus for storing a plurality of samples, and a Charged Particle Apparatus (CPA), such as a cryo-TEM, at a location remote from said storage apparatus. The system further comprises a transfer device that is releasably connectable to said storage apparatus, and that is releasably connectable to said CPA as well. As defined herein, said transfer device is arranged for acquiring a sample from said plurality of samples when connected to said storage apparatus, and arranged for transferring said sample from said transfer device to said CPA when connected to said CPA.

SYSTEM AND METHOD FOR HANDLING SAMPLES FOR STUDY IN A CHARGED PARTICLE APPARATUS, SUCH AS A TRANSMISSION ELECTRON MICROSCOPE

The invention relates to a sample handling and storage system. The system is used for storing and handling samples, which may be cryogenic samples, that are arranged for use in charged particle microscopy, such as cryo-electron microscope samples for use in cryo-transmission electron microscopy. The system comprises a storage apparatus for storing a plurality of samples, and a Charged Particle Apparatus (CPA), such as a cryo-TEM, at a location remote from said storage apparatus. The system further comprises a transfer device that is releasably connectable to said storage apparatus, and that is releasably connectable to said CPA as well. As defined herein, said transfer device is arranged for acquiring a sample from said plurality of samples when connected to said storage apparatus, and arranged for transferring said sample from said transfer device to said CPA when connected to said CPA.

Sample holder, ion milling apparatus, sample processing method, sample observing method, and sample processing and observing method

The present invention is directed to a side entry type sample holder which enables observation with an observation apparatus without removing the sample to be analyzed from the sample holder after processing the sample to be analyzed by a processing apparatus. The sample holder includes a grip, a sample holder main body extending from the grip, a tip portion which is connected to the sample holder main body and provided with a sample table for fixing a sample, and a mechanism which changes a relative positional relationship between a processing surface of the sample fixed to the sample table and an irradiation direction of an ion beam, and causes the tip portion to avoid irradiation with the ion beam during sample processing.