Apparatus and method for controlling registration of print...

H - Electricity – 05 – K

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H05K 3/12 (2006.01) B41M 3/00 (2006.01) C09D 11/00 (2006.01) C12Q 1/00 (2006.01) G01N 27/30 (2006.01) G01N 33/32 (2006.01) G01N 27/403 (2006.01) H05K 1/00 (2006.01) H05K 1/02 (2006.01) H05K 1/16 (2006.01)

Patent

CA 2504574

In a method according to the present invention, the method includes the printing of a first registration mark at the first print station (e.g. the print station where the carbon electrodes are deposited), the printing of a second registration mark over the first registration mark during printing of the next (e.g. insulation) layer. The second registration mark, being slightly larger than the first registration mark, obliterates the first registration mark and causes registration of the subsequent layers (e.g. enzyme layers) to be triggered slightly earlier. In accordance with one embodiment of the present invention, a two layered mark is used, the second layer being larger than the first so as to "move" the mark to take account of the variation in screen size for the second (e.g. insulation) and subsequent (e.g. enzyme) layers.

Dans un procédé selon la présente invention, on imprime un premier repère d'alignement au niveau d'une première unité d'impression (par exemple l'unité d'impression au niveau de laquelle les électrodes en carbone sont déposées), puis on imprime un deuxième repère d'alignement sur le premier repère d'alignement pendant l'impression de la couche suivante (couche isolante, par exemple). Le deuxième repère d'alignement qui est sensiblement plus large que le premier repère d'alignement, cache le premier repère d'alignement et provoque le déclenchement de l'alignement, quelque peu anticipé, des couches subséquentes (couches enzymatiques, par exemple). Selon une forme de réalisation de la présente invention, on utilise un repère à deux couches, la deuxième couche étant plus large que la première de manière à ce que ledit repère prenne ainsi en considération la variation de la dimension du cadre pour la deuxième couche (couche isolante, par exemple) et les couches suivantes (couches enzymatiques, par exemple).

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