CS267762B1

CS267762B1 - Apparatus for evaluating defects in photopowder layers

Info

Publication number: CS267762B1
Application number: CS867776A
Authority: CS
Inventors: Laurenc Ing Svitok; Jozef Ing Rataj; Milan Ing Rajkovic; Otto Ing Skultety; Jozef Majer
Original assignee: Laurenc Ing Svitok; Jozef Ing Rataj; Milan Ing Rajkovic; Otto Ing Skultety; Jozef Majer
Priority date: 1986-10-28
Filing date: 1986-10-28
Publication date: 1990-02-12
Also published as: CS777686A1

Abstract

Vyhodnocovaoio zariadenie umožňuje zhotovil kontrolná kopie, na ktorých sú poruchy spoeobenó vodivými premosteniami medzi povrchom napařenej fotοροίovodívej vrstvy a hliníkovou válcovou podložkou zviditelněná bučí ako biele krúžky na tmavom pozadí alebo ako tmavá bodky na biolom pozadí.The evaluation device allows for the production of control copies on which defects caused by conductive bridges between the surface of the evaporated photoconductive layer and the aluminum cylindrical substrate are visible either as white circles on a dark background or as dark dots on a white background.

Description

CS 267 762 B1 1EN 267 762 B1 1

Predmetom vynálezu je zariadenie na vyhodnocováni© poruch fotopolovodivých vr-stiev.The object of the invention is a device for evaluating the disturbances of photovoltaic layers.

Pri procese vákuového naparovonla fotopolovodivých vrstiev na hliníkové válcovépodložky pro elektrografické údoly tnožu v naparonej vrstvě vzniknúl poruchy, ktoró súsposobonó bučí nedokonalým očistěním hlinlkovej podložky pres napařením alebo prlližprudkým odporováním taveniny počas naparovonla. V obooh prlpadoch dochádza k miestnymvodivým premostoniam povrohu napařenoj fotopolovodivej vrstvy a hlinlkovoj valcovojpodložky, Pri procese přenosového elektrografického koplrovania potom v miestach tých-to vodivých přemostěni dochádza k odvádzaniu elektrostatického náboja z povrchu foto-polovodivej vrstvy po jej nabití do hlinlkovej podložky a obraz se na týohto miestachpotom novyvolá, Nevyvolané ploáky majú prieraer niekolko milimetrov v závislosti od vel-kosti poruchy. Proto je veími doležité odhalil tieto poruchy ihneá. po napařeni fotopo-lovodivoj vrstvy, aby sa válec s poruchami, ktoré čo do počtu a velkosti presahujú po-volenu hraniou, nedostal k spotřebitelovi, V súčasnosti nie je v sériovej výrobě k dispozioii žiadne zariadenie na vyhodno-covanie uvedeného druhu porúch fotopolovodivýoh vrstiev. Poruchy sa dajú zviditelnilzhotovením tmavěj lcípie priamo v koplrovaoom přístroji, pričom poruohy sa zobrazia akobiele nevyvolané krúžky rozneho priemeru na tmavom pozadí. Ke Číže na skontrolovanie jed-ného valca třeba urobil najmenej tri kontrolné kopie formátu A3, aby sa pokryl oolý po-vrch fotopolovodivej vrstvy, je táto kontrolná metoda velmi náročná na spotřebu elektro-grafického pigmentu, ktorý sa zatial nakupuje za devizy z kapitalistických Státov, Zne-čistenie povrchu fotopolovodivej vrstvy pri zhotoveni tmavěj kópie je tiež podstatnévačSie ako pri bežnom kopírovaní.In the vacuum vapor deposition process on aluminum cylindrical substrates for electrographic valleys, disturbances have arisen in the vaporized layer, which is due to the imperfect cleaning of the aluminum substrate by vapor deposition or mild resistivity of the melt during erosion. In the case of the local conductive premostones of the photovoltaic vapor deposition layer and the aluminum cylindrical pad, the electrostatic charge is removed from the surface of the photo-semiconductive layer at the locations of these conductive bridges after being charged into the aluminum pad and the image is subjected to the same conditions. Unexplained patches have a diameter of a few millimeters depending on the size of the disorder. Therefore, it is very important to reveal these disorders immediately. after vapor deposition of the film, so that the defect cylinder, which overlaps the number and size of the deflection, does not reach the consumer, there is currently no equipment available for evaluating the type of defect in the photovoltaic layer. Malfunctions can be visualized by making the darker tube directly in the copier, with the disturbances appearing in all non-evoked rings of different diameters on a dark background. To control one cylinder at least three A3 control copies were required to cover the single surface of the photoconductive layer, this control method is very demanding on the consumption of an electro-graphic pigment, which is bought for foreign exchange from capitalist states, The purification of the photoconductive layer surface when making a darker copy is also essential as with conventional copying.

VySSie uvedené nevýhody odstraňuje vyhodnocovaoie zariadenie podlá tohoto vynálezu,ktoré sa skládá z upraveného kopírovaoieho pristroja a zdrojovej časti. Úprava kopiro-vaoieho pristroja spočívá v zabudovaní konektora, na ktorý Je vyvedený obvod jednosměr-ného predpatia hlinlkovej podložky valoa s fotopolovodivou vrstvou, obvod jednosmemehopredpatia magnetiokého kartáča a obvod napájania expozičných žiaroviek a Sálej v uchyte-nl valca s fotopolovodivou vrstvou na izolačnýoh Celách doplněných prlvodom predpatiahlinlkovej valcovej podložky, Prostrednlctvom konektora je připojená zdrojová časl. Táto obsahuje regulovatelný zdroj predpatia hlinlkovej valoovej podložky s meraelm za-riadenlm a zariadenlm pre změnu polarity tohoto predpatia. Sálej obsahuje regulátor předpatia magnetického kartáča s moraclm zariadenlm a vypínač expozičných žiaroviek,The above mentioned disadvantages are eliminated by the evaluation device according to the invention, which consists of a modified copying apparatus and a source part. The arrangement of the copoid device consists in incorporating a connector on which the unidirectional biasing circumference of the aluminum foil backing with the photoconductive layer, the magneto brush overhead circuit and the photovoltaic coating of the exposure bulbs to the insulated cells supplemented by the inlet are provided. A pre-sintered cylindrical washer is connected through the connector. This comprises a controllable source of biasing of the aluminum roller washer with the meaerel and a device for changing the polarity of this bias. It contains a magnetic brush pre-controller with moracl device and a light bulb switch.

RieSonie podlá tohoto vynálezu umožňuje nastavil také podmienky kopírovaoieho pro-cesu pri kontrole fotopolovodiveJ vrstvy, že poruchy tojto vrstvy sa výrazné zviditel-nia bučí ako biele krúžky na tmavom pozadí kopie alebo ako tmavé bodky na bielom poza-dí koplo, pričom výhodnější Je druhý sposob, tj. tmavé bodky na bielom pozadí, při kto-rom sa spotřebuje len minimálně množstvo elektrografického pigmentu a dochádza Ion k mi-nimálnemu znečistoniu fotopolovodivej vrstvy.RieSonie according to the present invention also allows the copying process conditions to be adjusted to control the photopowder layer, that the disturbance of this layer is marked by white circles on a dark background copy or as dark dots on white background, with a second method being preferred. , i.e., dark dots on a white background, where only a minimal amount of the electrographic pigment is consumed and the ion becomes less polluted by the photoconductive layer.

Bloková schéma usporiadania pozostáva z upraveného kopírovaoieho pristrojav ktorom j© na izolačnýoh Celách _2 uchytený valeo s fotopolovodivou vrstvou 11 a ktorýje doplněný konektorom 10, Prostrednlctvom tohoto konektora 10 je k upravenému kopiro-vacierau pristroju 1 připojená zdrojová časl 2» pozostávajúca z regulovatelného zdrojapredpatia ά hlinlkovej valoovej podložky 14, moracieho zariadenla 2 a zariadenia pre zmenu polarity predpatia 6. Sálej zdrojová časl 2 obsahuje regulátor predpatia 2. magnetického kartáča 12 3 meraelm zariadenlm 8 a vypínač £ expozlčnýoh žiaroviek 13.The block diagram of the arrangement consists of a modified copying device which is attached to the insulating cells 2 with a photoconductive layer 11 and which is supplemented by a connector 10. By means of this connector 10, a source part 2 consisting of a controllable source of overflow of aluminum is connected to the device. Valve washer 14, pickling device 2, and biasing polarity change device 6. The lead source 2 includes a bias regulator 2 of the magnetic brush 12 3 of the device 8 and a switch 8 of the exposure lamps 13.

Vyhodnocovaoie zariadenie podlá tohoto vynálezu umožňuje zhotovoval kontrolné ko-pie s poruchami zviditelněnými ako biele krúžky na tmavom pozadí alebo ako tmavé bodkyna bielom pozadí, V prvom případe je vypínač £ expozičných žiaroviek 13 vo vypnutej po-loho, predpatia hlinlkovej podložky valoa 1¾ s fotopolovodivou vrstvou 11 je na regulo-vatelnom zdroji predpatia nastavené podlá želanoj sýtosti a kontrastu zviditelněnýchporúch v rozsahu 0 - 1000 V a predpatie magnetického kartáča 12 sa regulátorom predpa-The evaluation device of the present invention makes it possible to produce control coils with disturbances visible as white circles on a dark background or as a dark dot white background. In the first case, the switch 8 of the exposure lamps 13 is in the off position, biasing the aluminum foil backing 1¾ with the photoconductive layer 11 is set on the controllable source of bias according to the saturation and contrast of the visualized supports in the range of 0 - 1000 V and the bias of the magnetic brush 12 with the regulator

Claims

2 sets the desired level of control and contrast contrast in the range of 0 - 100 V. After charging the photoconductive layer 11 with the charging core of the treated copier 1, the electrostatic surface charge in the place of the defects is lifted into the aluminum cylinder pad. In the magnetic brush 12, the eye of the white ring is evoked by a dark background of the control hood. In the second case, the switch 8 is in the disengagement mode of the semi-recirculating corona of the modified copying device Disabled, The bias of the aluminum cylindrical washer 14 is set on the regulator's power source by the desired saturation and contrast levels of the disturbances in the range of 0-1000 V, the polarity set by the polarity switch 6 depends on the type of photoconductive layer (selenium, organic photo-semiconductor), the pre-bias of the magnetic brush 12 with the bias regulator 2 adjusts the desired saturation and contrast of the visible disturbances in the range of 0 -? 00 V, charge, applied to the aluminum cylindrical washer 14 penetrates at the location of the defects up to the surface of the photoconductive layer 11, and the defect is induced in the magnetic brush 12 as dark dots on the white background of the control hood, described by the evaluation of the device can be used in the evaluation of the photovoltaic layers deposited on the aluminum roller substrate kách. BEFORE THE INVENTION METHOD

1. Apparatus for evaluating photopowder layer deflections, consisting of a modified copying apparatus and a source part, characterized in that a connector (10) is provided in the modified copying apparatus (1) to which the unidirectional biasing of the aluminum cylindrical washer (14) is provided. ) with photoconductive layer (s), circuit of unidirectional biasing of the magnetic brush (12) and circuit of the ex-positioning of glow lamps (13),

2. Apparatus according to claim 1, characterized in that in the modified copier (1), the photoconductive roller (11) is attached to the insulating head (2) supplemented by the biasing of the aluminum cylindrical washer (14).

3. Apparatus according to claim 1, characterized in that a source part (3) is connected to the modified device (i) by means of a connector (io), which comprises a controllable source of bias (^) of the aluminum cylindrical washer (s) with the pick-up device ( 5) and a device for changing the polarity of this bias (6), a controller for the pre-patio (7) of the magneto brush (12) with the sealed device (8) and the switch (9) for the lamp (13). 1 drawing