摘要:
An X-ray lithography system, in which an X-ray beam is separated from synchrotron radiation beams and reflected by a scanning mirror which vertically scans the reflected X-ray beam. The X-ray is irradiated into an exposure chamber via a beryllium window, which is vertically oscillated in such a manner that the beryllium window is shifted up and down in synchronization with the scanning operation of the X-ray beam.
摘要:
An electron beam exposure system for producing a desired pattern on a workpiece. The pattern is specified by predetermined pattern data. The pattern data is modified with correction data. The correction data is obtained from information indicating variations on the level of the surface of the workpiece due to an elastic deformation thereof during the exposure process. With the use of the correction data, the desired pattern is correctly reproduced as intended when the workpiece is fully supported and the surface thereof recovers its flatness.
摘要:
A pattern inspection apparatus is designed to quickly and accurately perform an inspection of an inspection sample, such as a mask or a wafer or the like by irradiating electron beams onto the inspection sample and detecting secondary or backscattered electrons reflected from the surface of the inspection sample and/or transmitted electrons passing through the inspection sample. The pattern inspection apparatus includes an electron beam generator including at least one electron gun for generating at least one electron beam irradiating onto the surface of the inspection sample. A movable support is provided for supporting the inspection sample. The apparatus also includes a detector unit having a plurality of electron detecting elements for detecting electrons containing information related to the construction of the inspection sample and a detection signal processor for processing simultaneously or in parallel formation the outputs of the electron detecting elements of the detector. Also, when a plurality of electron beams are used for simultaneous irradiation of the inspection sample, the pattern inspection apparatus includes a mechanism for avoiding interference between the reflected electrons of the adjacent electron beams.
摘要:
Generally, a complicated process is required in manufacturing a semiconductor device containing a Schottky barrier diode and a polycrystalline silicon layer which prevents excessive reaction of the aluminum electrode and silicon material involved. Because of the inability of the aluminum electrode to provide a good Schottky barrier by its contact with the polycrystalline silicon layer, it is required to directly contact the electrode with a monocrystalline silicon semiconductor layer or substrate. According to the present invention, this process is simplified by monocrystallizing the polycrystalline silicon layer at least in the region in which a Schottky barrier diode is to be formed by annealing the silicon layer in said region by laser beam irradiation and applying an aluminum electrode thereto.
摘要:
An X-ray absorbing film including an X-ray absorbing pattern of an X-ray mask uses .beta.-crystalline tantalum having the plane orientation of (002). The .beta.-crystalline tantalum film is formed by depositing tantalum on an amorphous layer. Because the film stress change due to heat is small, the strain of the X-ray absorbing pattern formed through a thermal treatment process is decreased.When heating the X-ray absorbing film before implanting ions into the film, the stress change of the film after implanted with ions decreases and the X-ray absorbing pattern strain also decreases.
摘要:
A frictionless supporting apparatus comprising a horizontally plane working table having magnet portions on its peripheries. Pairs of stationary magnets define therebetween a vertical space into which the working table is inserted. Magnetic repulsion between the magnet portions of the working table and the pairs of stationary magnets frictionlessly hold the working table between the pairs of stationary magnets. The working table also has vertical guide portions made of magnets extending along a predetermined one horizontal direction. A plane auxiliary table is arranged substantially in parallel to the working table. A motor is mounted on the auxiliary table for moving the working table in the predetermined one horizontal direction with respect to the auxiliary table. Pairs of guide magnets are provided on the auxiliary table, defining therebetween a horizontal space into which the guide portions of the working table are inserted. Magnetic repulsion between the vertical guide portions of the working table and the pairs of magnets of the auxiliary table frictionlessly guide the working table along the pairs of guide magnets, when the working table is moved in the predetermined one horizontal direction with respect to the auxiliary table. The auxiliary table is also frictionlessly supported and guided in a horizontal direction perpendicular to the predetermined direction with respect to the stationary base.