Where to Use the Microscope and How to Clean and Maintain the Microscope
A microscope is a tool that can magnify tiny objects. Nowadays, it has been widely used in teaching, medical, food, manufacturing and many other industries. Optical microscopes can be divided into two main categories, one is our usual common, used in teaching and medical and other fields of biological microscope, and the other category, is widely used in metallurgy, mining, and electronics and other industries, can be on the metal structure, mineral structure, circuit boards, surface coatings and particles such as observation and study of metallurgical microscope.
Metallographic microscope is also the use of optical imaging principle, through the combination of two lenses will be a tiny object magnified in front of us, but it is generally in the magnification of 1,000 times below, and 400 times is zui commonly used. At the same time, the optical path of metallurgical microscope and biological microscope is also very different, in the biological microscope, generally is transmitted light imaging, while metallurgical microscope observed by the metal and other samples, generally opaque, so, the use of reflected light imaging. Metallographic microscopes are also divided into two types: orthographic and inverted. Because metallographic observation often need to measure and analyze the sample, so, metallographic microscope eyepieces have a special eyepiece that can be roughly measured, called micrometer eyepieces. This kind of eyepiece is to add a cross dividing plate with a scale in the lens of the eyepiece, so as to realize the easy measurement of the sample. The objective lens of metallographic microscope is also divided into ordinary achromatic objective lens and flat field achromatic objective lens. As the common magnification of metallographic microscope is generally 400x, so, some metallographic microscope in order to save cost, only in the standard configuration of a 40x flat field objective lens. In addition, because the metallographic microscope to do some metal structure analysis and research, so the trinocular connected to the computer metallographic microscope is more commonly used, and used for these analyses and research of professional metallographic analysis software is also a common configuration of metallographic microscope. However, because these metallographic analysis software are very professional, so the user's professional requirements are also very high. In addition, there are some for processing samples of metallographic sample making machine and optical dissecting machine and other equipment is often used together.
Because the metallographic microscope also belongs to the precision instruments, so, after using the microscope, to carry out the necessary cleaning work, and then put into the tool cabinet. In addition, it is also necessary to regularly clean the microscope, maintenance; pay attention to moisture, put moisture. For zui key objective lens and eyepieces in cleaning, must use cotton balls to gently wipe, for difficult to clean dirt can use cotton balls dipped in some ethanol and yi ether (8 and 2 ratio) mixture gently wipe. Cotton balls should not be reused. In addition, for the use of high-magnification oil-immersion objective lens, to pay more attention to clean up, to prevent contamination of other non-oil mirror. Nowadays many microscopes have done a good anti-mold treatment on the lens itself.
