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Elektrotechnika, elektronika, polovodiče

Quality or function monitoring of the individual components plays a leading role for electrical engineering. This concept is particularly the case for inspection during the manufacture of semiconductors. Components are tested for function and quality for different processes. As well as displacement sensors, image processing or temperature sensors can also be used for this. Maintenance of a particularly high quality of the individual dies is of essential importance for the semiconductor industry. Even the slightest contamination or damage can cause enormous costs in the running process.

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Diameter - radial/axial runout - measurement at disk motors

The production of disk motors has to meet the highest mechanical accuracy requirements. In order to ensure perfect functioning of the disk drives the drive units are measured and evaluated with respect ...

Monitoring the commutator in electric motors

The “eddyNCDT” system offers many advantages for the non-contact monitoring of the mechanical condition of the commutator in electric D.C. motors or generators. The system uses the eddy-current measuring ...

Co-planarity of IC-pins

The term „co-planarity“ discribes the proper seating of the tips of fine-pitch device leads on the copper pads on a PCB prior to solder process. The coplanarity is a critical dimension for the quality of ...

Geometry inspection of ingots

Ingots are sawn into thin wafers for the production of photovoltaic modules. However, geometric deviations can occur during the manufacture of ingots which adversely affect the arrangement of the wafers in the ...

Thickness measurement system for partially transparent insulation panels

In the manufacturing of plastic panels, thickness profile measurements must be carried out due to the necessary quality assurance. For this purpose two laseroptical displacement sensors are mounted on a traversing ...

Laser sensors support cable banding

Banding machines are used during the manufacture of cables in order to provide cables with a protective sheath. The wire runs centrally through a roll on which the banding material is coiled. The diameter of the roll ...

Vibration measurement on carbon brushes

Many direct current electric motors operate with carbon brushes for the current transmission. optoNCDT laser sensors are used to monitor the vibration during operation. They measure the carbon brushes without contact ...

Liquid level measurement during capacitor production

The capacitors must be dipped into a bath of solvent during the capacitor production. In doing so, it is important that the blanks only have a specified immersion depth. Confocal chromatic sensors are used for measuring ...

Position monitoring of pins onconnectors and contacts

In the production of IC pins, connectors and contacts high quality of all manufactured products is a prerequisite. In  order to provide this, all connectors and contact strips are normally subjected to 100% inline inspection. ...

Soldering systems - temperature measurement

Metal teeth for saw blades are soldered in soldering machines. In doing so, a fast IR temperature measurement provides exact regulation and prevents mechanical stresses in the saw blade and the danger of crack formation.

Thickness measurement of dies

When optical data carriers are produced, the data are initially transferred to a master. Depending on the number of copies, different dies made of nickel are produced from the master by galvanisation. These dies must show a thickness ...

Non-contact measurement of relay contact movement

Even the layman can detect wether a relay is energized or not. The question how on the other hand, is difficult to answer even for the expert. What he needs to know is the timing of certain specific parameters such as pick-up delay, armature ...

Measuring the solder-wave height on wave soldering machines

The height of the solder wave is an important criterion to get highest quality results during soldering PCB’s on wave soldering machines. There are two options to measure the height of the solder wave.

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