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Contamination Analysis:

SEM EDS white powder

Contamination on HID Lamp Assemblies

Gideon Analytical Laboratories received several high-intensity discharge lamp (HID) assemblies for determination and cause of a white powder-like substance on the inside of the lens housing.  The white powder diminishes the reflective properties of the light and overall effectiveness.  HID lamps are a type of electrical gas-discharge lamp which produces light by means of an electric arc […]

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Other cross section, showing voids

Metal Castings

Gideon Analytical Laboratories received two metal castings.  One was a cylinder and the other was an insert to the bottom of the cylinder.  Metal means a process, in which liquid metal is poured into a mold, that contains a hollow cavity of the desired shape, and then allowed to cool and solidify. The solidified part is […]

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United Chemi-Con KMG Series 400V 22uF 6U Capacitors – possible Chloride

Gideon Analytical Laboratories received six United Chemi-Con KMG series 400V 22uF 6U capacitors for the specific purpose of determining whether or not they had the presence of chlorides. The analysis was performed using SEM-EDS.  The SEM-EDS system gave elemental analysis in relation to the intensity of the element at a specific wavelength or energy level (Kev).  SEM-EDS […]

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Susumu RG3216-1000-B-T-T1 Film Resistor Failures

Gideon received ultra precision calibration resistors.  These resistors have a tolerance of .1%. The ultra precision thin film resistors are designed for high precision circuitry. They have excellent stability and reliability over the operating temperature range and low TCR characteristics. The resistors were running about .3 to .4 ohm too high. The 100-ohm resistor OnboardTest […]

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