Matches 1 - 29 out of 29


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DE102018204966A1 Arrangement and method for testing sensitive elements or electrochemical cells  
The invention relates to an arrangement for testing sensitive elements or electrochemical cells, in which a substrate (1) which is connected to a solid electrolyte made of a ceramic material,...
DE102016225395A1 Method and device for determining a concentration of bacteria in a liquid  
The invention describes a method and a device for determining a bacterial concentration in a liquid. In this case, a breakdown voltage characterizing the sought-after liquid quality is determined...
DE102015118158A1 Tester  
A device and method for determining explosion characteristics of bulk material (25) in a container (10) and having at least one capacitor (26) which is connected to at least one of two electrodes...
DE102015116046A1 Tester  
A tester 20 for checking a workpiece 100 with a stepped portion 115 includes: a pair of electrode plates 220, 230 for gripping the workpiece 100 between them and applying a voltage to the...
DE102014011269A1 A device for detection of defects in objects, in particular dielectric material webs  
An improved apparatus for detecting defects (3) in dielectric material webs or moldings (1), in particular plastic films (1 ') are distinguished inter alia by the following features: - It is a...
DE102013014473A1 Test methods and test apparatus for vessels  
The present invention relates to a method and a device for testing of vessels to micro-holes. In previously known methods and devices for testing of vessels on micro-holes with the aid of high...
DE102011108181B4 A method for spatially resolved measurement of a magnetization of a magnetic structure and magneto-optical data storage  
A method for spatially resolved measurement of a magnetization (M →) a magnetic structure (26), comprising the steps of: (A) applying at least a fluorescent layer (30) on the magnetic structure...
DE202012009944U1 Device for testing of products  
Apparatus for testing products, in particular ampoules, bottles and the like, with means for moving the test products and with detection means for high voltage testing of the products, wherein it...
DE102011108181A1 Method for spatially resolved measurement of magnetization of magnetic structure for use in e.g. magnetic data storage, involves measuring polarization rotation of fluorescent light from residual range  
The method involves irradiating excitation light beam (16) on fluorescent layer (30) arranged on a magnetic structure (26) so that fluorescent layer in excitation region (18) is excited to...
DE202009010781U1 Device for testing of products  
Apparatus for testing products, in particular ampoules, bottles and the like, with means for moving the test products and with detection means for high voltage testing of the products,...
DE102007051036A1 Leakage testing method for deep-drawing package i.e. half-open deep-drawing package, involves applying high voltage into air space, where high voltage leads to breakdown in air space, if tested deep-drawing package is not closed  
The method involves driving an upper die (13) from above into molded shells (6) and positively driving a lower die (14) to a lower surface of the molded shells. A high voltage field is applied...
DE4208533B4 Apparatus and method for detecting a mechanical defect in an electrical malfunctioning insulator  
device for detecting mechanical defects in an electrically faulty working insulator (1), the insulator having a hollow portion (1a) is equipped with a holding portion (2) for holding the insulator...
DE4426225B4 Device for checking the porosity of thin rubber products  
device to verify the porosity of dielectric films, particularly rubber products such as condoms (2) or protective gloves with a coating holder of solid, electrically conductive material on the...
DE19747088B4 A process for the analysis of compact, electrically non-conductive materials  
A process for the analysis of compact, electrically non-conductive materials using electrical creepage of defined discharge characteristic, which is generated on the surface of the material to be...
DE10244702A1 Method for detecting particles in a gas stream and sensor for this purpose  
The invention concerns a detector and a method for detecting particles in a gas stream, in particular of soot in an exhaust gas stream. Said detector comprises first and second electrodes, an...
DE10141980A1 Method for testing electric breakdown strength of intermediate insulting layers material e.g. for basic material of printed circuits, testing takes place on moved band of material in dashed-line test zone  
An electrical breakdown- (or punch-through) strength testing method in which prior to breaking down the band-type insulation material (1) into intermediate layers, testing takes place on the moved...
DE10228720A1 Improved pulse voltage breakdown (VBD) technique for in-line control of gate oxide reliability  
A method of testing a dielectric is disclosed, comprising the steps of: setting a reference current below a dielectric breakdown current, applying a stress voltage to the dielectric below a...
DE10063833A1 Method and device for testing of multi-layer films and containers prepared therefrom  
The multilayer films and containers consist of at least one electrically non-conductive layer and an electrically conductive layer. The tightness of the container and the integrity of the...
DE10148164A1 Non-destructive methods for quality control of high-voltage systems and apparatus for using the method  
Provided is a non-destructive method for quality control of the production of high-voltage systems, comprising the steps DOLLAR A (a) determining for each type of high-voltage system by...
DE19952899A1 Non-destructive testing of passive components  
The invention relates to a device and method for nondestructive testing of passive components (1), in which quality control of passive components (1) an electric test signal to the device (1) is...
DE19832624A1 Determining the air/fuel ratio in an I.C. engine exhaust gas downstream of a nitrogen oxide adsorber catalyst  
Process for determining the air/fuel ratio in an I.C. engine exhaust gas downstream of a nitrogen oxide adsorber catalyst comprises producing discharge sparks in the gas mixture (3a) with a...
DE19747088A1 Analysis of non-conducting solids by surface spark discharge  
Repeated discharges (13) between electrodes (11,12) near the surface of the material (10) result in a drop of breakdown voltage with increasing number of discharges. The pattern is typical of the...
DE19651208A1 Method and apparatus for detecting traces of volatile materials  
The invention concerns a method and corresponding device for nondestructively testing fluid-filled containers for leaktightness. The containers (17) to be tested are held ready in an evacuated...
DE19705528A1 Monitoring hermetically sealed package containing food or fluid for pin holes  
The monitoring method includes the placing of a hermetically sealed package (3), in which a conducting content (1), such as food, fluid or powder, is packed in an electrically insulating film (2)....
DE19546450A1 Freedom from pores test system for plastic layer, paint on electric conducting base  
The test system includes a spark gap (6,9), which is connected parallel to a specimen under test for adjusting the test voltage, and its spark length is variable, for adjusting the desired level...
DE4426225A1 Device for checking the porosity of thin rubber products  
The proposal is for a device for testing the porosity of dielectric films, especially thin rubber products like condoms (2), with a cover support over which the rubber product is stretched and one...
DE4222418A1 Measuring composition of gas mixture of excimer laser with high accuracy - by producing corona discharge in gas mixture to determine at least one pair of current-voltage curves associated with discharge  
A discharge current is specified for determining the current and voltage values in the corona discharge, and the associated corona voltage (Uc) is measured. The gas mixture contains an inert...
DE4140322C1 Gas bubble detection system for transformer oil-cooling circuit - responds to electrical discharge between spaced transformers inserted in transformer cooling oil circulation path  
The gas bubble detection system uses a number of electrodes (9) lying at different potentials incorporated in a circulation pipe for the transformer cooling oil, coupled to a discharge detection...
DE3905530A1 METHOD FOR DETECTION OF DEFECTS in containers made of electrically nonconductive material AND DEVICE FOR IMPLEMENTING SAID METHOD  
In a processs for detecting faults in a container, preferably a bottle, made of electrically insulating material, e.g. metal, plastic or mineral material, especially glass, the wall of the...

Matches 1 - 29 out of 29