Technical Articles

Olympus America, Inc. has published these technical articles:

(Microscopy)
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Drill bits are widely used in industrial fields as a cutting tool. A drill bit is a thin spiral metal blade about 10 cm (3.9 in.) long. It is usually made of cemented carbide to resist wear and heat...
(Semiconductors)
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Semiconductors are essential components in many electronic devices. Semiconductor manufacturing can be broken down into two processes-circuit formation and packaging. Circuit formation begins with...
(Inspection Tools and Instruments)
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International borders have become more open, enabling more people to cross in and out of different countries. The sheer volume of material moving across the border has created a challenge for...
(Microscopy)
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Semiconductors are manufactured using a precise process. One step is wire bonding, where electrodes on an integrated circuit are connected to lead frames using soldered gold, aluminum, and copper...
(Automotive Equipment and Products)
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Automotive inspections are challenging due to the large, complex structure of cars and the location of critical components - deep inside the engine, for example. Videoscopes are well suited for...
(Microscopy)
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Fractography is an analytical technique used to determine the cause of fracturing in a metal structure. The method relies on the analysis of dimples and slips on the fracture's surface to determine...
(Microscopy)
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Integrated circuit (IC) manufacturing can be broken down into two processes-forming circuits on bare wafers and packaging. The circuit formation process begins with cylindrical pieces of semiconductor...
(Drilling Equipment)
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Portable X-ray fluorescence (pXRF) technology enables exploration managers to understand drill hole geochemistry during the drill program, helping managers to optimize budgets through informed onsite...
(Nondestructive Testing Equipment)
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Angle beam assemblies, consisting of a transducer and a wedge, are extremely important to the field of ultrasonic nondestructive testing, commonly used in a wide variety of weld inspection...
(Nondestructive Testing Equipment)
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The high-frequency sound waves used for flaw detection and thickness gaging in ultrasonic nondestructive testing applications are generated and received by small probes called ultrasonic transducers....
(Nondestructive Testing Equipment)
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Advances in transducer manufacturing technology and associated instrument electronics have led to the introduction of commercial products that provide the capability for ultrasonic imaging, thickness...
(Microscopy)
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One of the factors that contributes to the recent considerable reduction in size and high integration of electronics and other devices is miniaturization of the electronic components that make them...
(Inspection Tools and Instruments)
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Surface irregularities can significantly impact the quality and performance of industrial products; these irregularities can then impact the value of such products. Industrial manufacturing requires...
(Nondestructive Testing Equipment)
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Pipelines are now using Fitness-For-Service (FFS) for accept/reject of weld defects. FFS requires accurate measurement of defect height for Fracture Mechanics assessments. The standard pipeline weld...
(Nondestructive Testing Equipment)
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This paper provides a brief summary of advanced detection and sizing techniques for the evaluation of flaws connected to the inner surface of test material. In general, these techniques have found...
(Nondestructive Testing Equipment)
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This paper is intended to provide information to help the user in selecting the right E.C. probe(s) for a given inspection. Using this data, best results will be achieved by optimizing the frequency...
(Nondestructive Testing Equipment)
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Throughout the literature concerned with ultrasonic transducers and their characteristics, a variety of notations and symbols has been used. What follows is an attempt to provide a useful set of...
(Nondestructive Testing Equipment)
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Many people are familiar with the medical applications of ultrasonic imaging, in which high frequency sound waves are used to create highly detailed cross-sectional pictures of internal organs....
(Nondestructive Testing Equipment)
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Magnetism, the underlying principle behind electric motors and generators, relays and stereo speakers, is also the force that enables an important category of NDT tools called eddy current...
(Inspection Tools and Instruments)
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Hall Effect thickness gages like the Olympus Magna-Mike 8600 are small, lightweight instruments designed to make fast, accurate, and repeatable measurements of non-magnetic materials such as plastics,...
(Nondestructive Testing Equipment)
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While a majority of the applications for ultrasonic nondestructive testing fall into a few well-known categories, the range of possibilities for the technology is large and new tests are constantly...
(Nondestructive Testing Equipment)
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Adhesive-bonded components and structures have become an important part of manufacturing, not only in the aerospace industry but also in the automotive, wood-based panel, and marine industries. The...
(Microscopy)
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Abstract - Non-Contact 3D Surface Metrology of Large Grain High Purity Niobium by SLCM and FESEM Z.H. Sung, P.J. Lee and D.C, Larbalestier Applied Superconductivity Center, National High Magnetic...
(Inspection Tools and Instruments)
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Surface texture measurement has a history that began a century ago with the advent of contact-type 2D measurement. Although measurement using optical instruments has been in existence almost as long...
(Inspection Tools and Instruments)
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These are the probes normally used for surface crack detection, also known as High Frequency Eddy Current probes (HFEC). They have a small coil that can be made shielded or unshielded. Most are...
(Microscopy)
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Residue analysis has become a real buzzword with petrochemical products. The Fuel Technology Centre of the SGS Group, as a certified and accredited service partner, has also recently begun offering...
(Microscopy)
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In seeking a way to measure surface texture, Brown found confocal technology from Olympus to be among the most versatile in terms of dealing with surfaces and roughness....
(Inspection Tools and Instruments)
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In the world of industrial manufacturing, surface measurement plays a pivotal role in product development, process enhancement, and quality assurance. Industrial surface measurement began in the 1930s...
(Nondestructive Testing Equipment)
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Surface roughness indicates the state of a machined surface. For example, when representing the surface of a component, surface roughness can be examined by eye or rubbed with a fingertip. Expressions...
(Nondestructive Testing Equipment)
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Ultrasonic nondestructive testing (NDT) - a method of characterizing material thickness, integrity, or other physical properties by means of high frequency sound waves -- is a widely used technique...
(Product and Material Testing)
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Contemporary digital ultrasonic flaw detectors calculate commonly used parameters for reflector position in angle beam testing, typically including sound path length, flaw depth, surface distance, and...
(Nondestructive Testing Equipment)
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Of all the applications of industrial ultrasonic testing, flaw detection is the oldest and the most common. Since the 1940s, the laws of physics that govern the propagation of sound waves through...
(Nondestructive Testing Equipment)
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Ultrasonic thickness gaging is a widely used nondestructive test technique for measuring the thickness of a material from one side. It is fast, reliable, and versatile, and unlike a micrometer or...
(Nondestructive Testing Equipment)
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The Technical Notes section is designed to provide a brief overview of the ultrasonic principles important to transducer application and design. The Technical Notes are organized in the following...
(Microscopy)
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The field of industrial microscopy has evolved from simple bright-field on-axis imagine to that on nonvisible and confocal-based technologies. Bright-field is a resolution-limited technique that uses...
(Inspection Tools and Instruments)
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Each Olympus Industrial Fiberscope is comprised of the insertion section (the distal end, bending section and flexible section), as well as the control and eyepiece section....
(Inspection Tools and Instruments)
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High-resolution image transmission in a durable stainless steel insertion tube with light guide fibers for bright illumination. Wide selection available to suit any requirements....
(Inspection Tools and Instruments)
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The videoscope captures light reflected from a subject through an objective lens and directs it to the surface on the image sensor. The image sensor then converts the light into electrical signals and...
(Inspection Tools and Instruments)
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Dual element transducers need to be tough. They're routinely used on many types of surfaces, ranging from rough to reasonably smooth, painted to corroded, and freezing to very hot. Even though they're...
(Data Storage and Management Software)
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When your inspection equipment can connect to each other and the Cloud, it opens the door to new possibilities that can transform your inspection process. Expand your capabilities with these 5...
(Product and Material Testing)
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The Magna-Mike® portable Hall effect thickness gage is used to measure the thickness of plastic containers and other nonferrous materials. Unlike our other thickness gages, the Magna-Mike gage...
(Inspection Tools and Instruments)
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We developed a solution that simplifies austenitic weld inspection in small-diameter pipes. Our 5 MHz A25 dual linear phased array probe includes two miniature 12 mm × 5 mm aperture, 16-element arrays...
(Inspection Tools and Instruments)
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Ultrasonic thickness gaging isn't limited to testing materials at normal (ambient) temperatures. Measurements can be made on materials whose surface temperature approaches 900 °F (500 °C). When...
(Inspection Tools and Instruments)
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Reliable detection of weld defects is a challenge in many industries that use welding on a large scale, such as the oil and gas and petrochemical industry. Dissimilar weld materials and stainless...
(Inspection Tools and Instruments)
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Intelligent illumination, maneuverability and oil-resistance help users save time and improve the probability of detection in videoscope inspections of wind turbine gearboxes. With the introduction of...
(Metals and Alloys)
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Alex Thurston, alloy applications specialist for portable XRF at Olympus, talks to Stuart Milne at AZoM about the Vanta™ handheld XRF analyzer and its powerful capabilities in industrial...
(Inspection Tools and Instruments)
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Precision components must be free of contaminants to work properly. Parts that are made with unclean components can fail prematurely. Technical cleanliness is the process of measuring the level of...
(Inspection Tools and Instruments)
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In the second installment of this six-part series, we examine the second stage of the technical cleanliness workflow-image acquisition and particle measurement. This stage includes calibrating the...
(Inspection Tools and Instruments)
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In the third post of this six-part series, we look at particle size classification and particle count extrapolation and normalization....
(Inspection Tools and Instruments)
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In the fourth of this six-part blog series, we explore how contamination levels are calculated, including defining cleanliness codes and testing maximum approvals....
(Analytical Instruments)
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[This paper] discusses the techniques, drawbacks, and benefits of recycling glass and ceramic glass. Handheld X-ray fluorescence analyzers are widely used since they can provide material chemistry...
(Bearing Components)
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Bearing balls roll at high speed through the raceway formed by grooves in the inner and outer rings of a ball bearing assembly. In quality control, it is important to accurately evaluate the roughness...
(Analytical Instruments)
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Olympus portable X-ray fluorescence (pXRF) analyzers provide real-time geochemical data for rapid multi-element characterization of soils, rocks, ores, concentrates, and tailings. Recent advances in...
(Inspection Tools and Instruments)
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The researchers conducted a geochemical analysis to understand the differences in the characteristics between the soils in Meherrin, Virginia and the nearby soils of the Virginia Piedmont Region....
(Microscopy)
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As an analytical technique, light microscopy provides unique insights across many areas of historical materials, from discovering an artifact's history to understanding the best course of action for...
(Inspection Tools and Instruments)
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Yale University Professor Ellery Frahm used a Vanta™ handheld XRF analyzer to test obsidian artifacts from two Early Bronze Age archaeological sites in Armenia. His goal was to figure out where...
(Video Cameras and Accessories)
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Olympus offers a wide range of interchangeable optical adapters for the industrial videoscopes and fiberscopes, providing optimum focuses and directions for various applications and inspected objects....
(Inspection Tools and Instruments)
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Pottery is a common artifact at archaeological sites all over the world. Pottery can tell us a lot about the people who made it, and the addition of X-ray fluorescence (XRF) to the archaeologist's...
(Inspection Tools and Instruments)
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Steel, aluminum, and other metal alloys are essential to manufacturing a wide variety of products from small drones to high-speed trains, airplanes, buildings, and bridges. Steel is still the highest...
(Video Cameras and Accessories)
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An industrial videoscope is an instrument that enables inspectors to look inside areas that are otherwise difficult to access, such as the combustion chamber of a jet engine. Videoscopes support...
(Inspection Tools and Instruments)
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Confirming the absence of any burrs is an important quality management concern. Inspection with an Olympus DSX series digital microscope DSX series digital microscopes offer advanced focal...
(Inspection Tools and Instruments)
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A turbocharger housing must have a structure where the appropriate amount of intake air and exhaust gas flow at a suitable pressure to achieve efficient supercharging. For that purpose, the waviness...
(Inspection Tools and Instruments)
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Portable X-ray fluorescence (pXRF) and portable X-ray diffraction (pXRD) are useful tools in aiding the exploration and investigation of lithium-bearing mineral deposits. Current global lithium...
(Inspection Tools and Instruments)
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Activated carbon is routinely used as part of the gold recovery process at many mines around the world. Activated carbon is used in both carbon in leach (CIL) and carbon in pulp (CIP) techniques....
(Analytical Instruments)
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Olympus portable X-ray fluorescence (pXRF) analyzers provide high-performance, real-time geochemical data for rapid multielement characterization of soils, rocks, and ores. Advances in pXRF technology...
(Analytical Instruments)
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Olympus' X-ray fluorescence (XRF) analyzers provide high-performance, real-time geochemical data for rapid multielement characterization of soil, rocks, and ores. Recent advances in XRF technology...
(Inspection Tools and Instruments)
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Pipelines transport energy (crude oil, refined petroleum, natural gas, and biofuels to name a few) and other fluids within facilities and to various markets across vast distances. Today, there are...
(Inspection Tools and Instruments)
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Verifying the surface roughness of piston rings is essential during quality management inspections. Because piston rings are thin and ring-shaped, microscopic inspection of the sides involves securing...
(Environmental Services)
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Dillon McDowell, Applications Scientist at Olympus Scientific Solutions Americas, talks to Stuart Milne at AZoM about XRF as an effective screening tool for RoHS substances....
(Inspection Tools and Instruments)
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For quality management, precise measurements of the slit width must be taken using a microscope. However, the magnification rates that are required to adequately assess the slit width impede...
(Analytical Instruments)
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The interior and exterior surfaces of carbon steel pipes tend to corrode over time, regardless of their environment. Regular inspection of this corrosion is required to assess and monitor pipe...
(Analytical Instruments)
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Why did we create a new XRF analyzer? What's so special about it? Read this FAQ to get the answers to questions customers are asking about Vanta™ handheld XRF analyzers....
(Analytical Instruments)
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Knowing the mineralogical composition of ore is critical to pre-planning and optimizing processing operations and controlling costs associated with energy and chemical use. Identifying the mineral...
(Microscopy)
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Scanning laser confocal microscopy (SLCM) has become a popular inspection tool in both research laboratories and manufacturing production lines. With a 405 nm laser light source, SLCM combines...
(Product and Material Testing)
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Electric power generation plants must ensure that sufficient electricity is supplied to customers at all times. Preventive maintenance of the power generation equipment is, therefore, critical for...
(Product and Material Testing)
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When microscopic observation of both the circuit pattern and color of a wafer sample is required, the conventional method calls for darkfield illumination for the former and brightfield illumination...
(Optical Components)
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Ten years ago, 3D printing might have conjured up images of replicators from popular sci-fi shows and movies, where anything can be created on a whim. Today, however, 3D printing-also known as...
(Imaging and Graphics Software)
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Pipelines that carry critical materials in the oil & gas and chemical industries require regular inspection to monitor for corrosion. A typical inspection is measuring the wall thickness of pipes and...
(Product and Material Testing)
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Inspecting a long seam-or axial-weld is challenging both acoustically and mechanically. From an acoustic standpoint, the tube geometry tends to defocalize the ultrasonic beam, reducing the potential...
(Product and Material Testing)
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Long seam welds are challenging to inspect using conventional phased array ultrasound testing (PAUT) because of their thin wall thicknesses, the vertical weld bevel orientation, and the pipe...
(Product and Material Testing)
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After metal sheets are welded together, the strength of the welds must be checked to help ensure the integrity of final products. Welds need to have sufficient throat thickness-the distance from the...
(Inspection Tools and Instruments)
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The total focusing method (TFM) has generated a lot of excitement in the nondestructive testing (NDT) field. But there are challenges that had yet to be resolved when using TFM, such as choosing the...
(Inspection Tools and Instruments)
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In this paper, we introduce a newly developed semi-analytical model to predict the total focusing method (TFM) amplitude sensitivity map for both nondirectional and directional flaws. For complicated...
(Inspection Tools and Instruments)
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The total focusing method (TFM) inspection technique requires the operator to define a TFM grid position and resolution. New inspection codes require the TFM grid resolution to be fine enough to reach...
(Cutting and Forming Tools)
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The increasing complexity of technical products in the automotive, aerospace, heavy machinery, and electrical engineering industries requires clean production conditions and components. Residues on...
(Inspection Tools and Instruments)
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The OmniScan® X3 phased array ultrasonic (PAUT) flaw detector comes with advanced data acquisition and processing capabilities known as full matrix capture/total focusing method (FMC/TFM). This...
(Inspection Tools and Instruments)
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The total focusing method (TFM) grid resolution must be carefully defined to provide reliable characterization and sizing capabilities during inspection. Using the new amplitude fidelity reading of...
(Microscopy)
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The nondestructive testing (NDT) industry is experiencing an important technological advancement, as total focusing method (TFM) capable inspection devices are making their entry into market. The TFM...
(Microscopy)
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If you’ve ever worked in a lab, you know an optical microscope uses an eyepiece and objective to magnify a small object. But as technology continues to advance, digital microscopes are...