摘要:
To obtain a SEM capable of both providing high resolution at low acceleration voltage and allowing high-speed elemental distribution measurement, a SE electron source including Zr—O as a diffusion source is shaped so that the radius r of curvature of the tip is more than 0.5 μm and less than 1 μm, and the cone angle α of a conical portion at a portion in the vicinity of the tip at a distance of 3r to 8r from the tip, is more than 5° and less than (8/r)°. Another SE electron source uses Ba—O and includes a barium diffusion supply means composed of a sintered metal and a barium diffusion source containing barium oxide.
摘要:
A gas field ion source that can simultaneously increase a conductance during rough vacuuming and reduce an extraction electrode aperture diameter from the viewpoint of the increase of ion current. The gas field ion source has a mechanism to change a conductance in vacuuming a gas molecule ionization chamber. That is, the conductance in vacuuming a gas molecule ionization chamber is changed in accordance with whether or not an ion beam is extracted from the gas molecule ionization chamber. By forming lids as parts of the members constituting the mechanism to change the conductance with a bimetal alloy, the conductance can be changed in accordance with the temperature of the gas molecule ionization chamber, for example the conductance is changed to a relatively small conductance at a relatively low temperature and to a relatively large conductance at a relatively high temperature.
摘要:
A gas field ion source that can simultaneously increase a conductance during rough vacuuming and reduce an extraction electrode aperture diameter from the viewpoint of the increase of ion current. The gas field ion source has a mechanism to change a conductance in vacuuming a gas molecule ionization chamber. That is, the conductance in vacuuming a gas molecule ionization chamber is changed in accordance with whether or not an ion beam is extracted from the gas molecule ionization chamber. By forming lids as parts of the members constituting the mechanism to change the conductance with a bimetal alloy, the conductance can be changed in accordance with the temperature of the gas molecule ionization chamber, for example the conductance is changed to a relatively small conductance at a relatively low temperature and to a relatively large conductance at a relatively high temperature.
摘要:
To obtain a SEM capable of both providing high resolution at low acceleration voltage and allowing high-speed elemental distribution measurement, a SE electron source including Zr—O as a diffusion source is shaped so that the radius r of curvature of the tip is more than 0.5 μm and less than 1 μm, and the cone angle α of a conical portion at a portion in the vicinity of the tip at a distance of 3r to 8r from the tip, is more than 5° and less than (8/r)°. Another SE electron source uses Ba—O and includes a barium diffusion supply means composed of a sintered metal and a barium diffusion source containing barium oxide.
摘要:
A gas field ion source that can simultaneously increase a conductance during rough vacuuming and reduce an extraction electrode aperture diameter from the viewpoint of the increase of ion current. The gas field ion source has a mechanism to change a conductance in vacuuming a gas molecule ionization chamber. That is, the conductance in vacuuming a gas molecule ionization chamber is changed in accordance with whether or not an ion beam is extracted from the gas molecule ionization chamber. By forming lids as parts of the members constituting the mechanism to change the conductance with a bimetal alloy, the conductance can be changed in accordance with the temperature of the gas molecule ionization chamber, for example the conductance is changed to a relatively small conductance at a relatively low temperature and to a relatively large conductance at a relatively high temperature.
摘要:
The present invention provides an electron beam apparatus comprising a means for visualizing an axial displacement of a retarding electric field, and a means for adjusting axial displacement. The axial displacement visualizing means includes a reflective plate (6), and an optical system (2, 3) for converging a secondary electron beam (9) on the reflective plate (6), and the axial displacement adjusting means includes an incline rotation mechanism (8) for a sample stage (5). With this configuration, in electron beam apparatuses such as SEM and the like, such problems as visual field displacement caused by displacement of the axial symmetry of the electric field between an objective lens (3) and a sample (4) and inability to measure secondary electrons and reflected electrons that provide desired information can be eliminated.
摘要:
To provide a low acceleration scanning electron microscope that can discriminate and detect reflected electrons and secondary electrons even with a low probe current, this scanning electron microscope is provided with an electron gun (29), an aperture (26), a sample table (3), an electron optical system (4-1) for making an electron beam (31) converge on a sample (2), a deflection means (10), a secondary electron detector (8), a reflected electron detector (9), and a cylindrical electron transport means (5) in a position between the electron gun (29) and sample (2). The reflected electron detector (9) is provided within the electron transport means (5) and on a side further away from the electron gun (29) than the secondary electron detector (8) and the deflection means (10). The reception surface (9-1) of the reflected electron detector (9) is electrically wired so as to have the same potential as the electron transport means (5).
摘要:
An airbag having a cushion part defining an insertion hole that is positioned between first and second sewing lines provided to a base fabric and that is provided for the insertion of the inflator from an outside to an inside. A diffuser positioned within the cushion part and in which the inflator is inserted from the insertion hole. The diffuser has a tubular portion with a portion formed by folding layers of fabrics and being sewn to the base fabric along the first sewing line. The diffuser fabric of the tubular portion on a side adjacent to the base fabric being additionally sewn to the base fabric along a second sewing line. The diffuser includes a guide member 1 that extends and covers the insertion hole with a surface that continues from an inner surface of the diffuser. The guide member being sewn to the base fabric along the first sewing line.
摘要:
An electron source is implemented which has a lower work function of an electron emission surface, yields emitted electrons of a narrower energy bandwidth and higher current density, and lasts longer than existing Zr/O/W electron sources. Further, an electron microscope which yields an image of higher-resolution in a shorter time and an electron beam lithography device which yields higher throughput are also provided. The electron source comprises a needle-shaped electrode made of metal having its tip in a needle shape, a heating body which heats up the needle-shaped electrode, and a diffusion source capable of being heated up by the heating body and made of a mixture of barium composite containing oxygen and carbon particles.
摘要翻译:实现了具有较低的电子发射表面功函数的电子源,产生较窄的能带宽和较高电流密度的发射电子,并且比现有的Zr / O / W电子源持续时间更长。 此外,还提供了在更短时间内产生更高分辨率的图像的电子显微镜以及产生较高产量的电子束光刻装置。 电子源包括由针尖形状的金属构成的针状电极,加热针状电极的加热体和能够被加热体加热并由混合物构成的扩散源 的含有氧和碳颗粒的钡复合物。
摘要:
The invention relates to a method for producing an azoline compound represented by the general formula (3): wherein R1 represents an optionally substituted hydrocarbon group, an optionally substituted alkoxy group, an optionally substituted alkoxycarbonyl group, a halogen atom, a substituted amino group, a substituted carbamoyl group or an optionally substituted heterocyclic group; R3, R4, R5 and R6 may be the same or different and each represents a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted alkoxy group, an optionally substituted alkoxycarbonyl group, a halogen atom, a substituted amino group, a substituted carbamoyl group or an optionally substituted heterocyclic group; two arbitrary groups selected from R3, R4, R5 and R6 may bond to each other to form a ring; and Z1 represents an oxygen atom, a sulfur atom or a selenium atom; comprising reacting a carboxylic acid or a carboxylic acid derivative represented by the general formula (1): R1CO2R2 (1) wherein R1 is as defined above; R2 represents a hydrogen atom, an optionally substituted alkyl group or an optionally substituted aryl group; and R1 and R2 may bond to each other to form a ring; with an aminochalcogenide represented by the general formula (2): wherein R3, R4, R5, R6 and Z1 are as defined above; in the presence of a compound containing a group 12 metal element in the periodic table.