DISPOSITIF DE DETERMINATION DE LA POSITION DE VERROUILLAGE OU DE LA POSITION DE FIN DE COURSE D'UN ENSEMBLE A CYLINDRE ET PISTON D'UNE COMMANDE D'AIGUILLAGE
| N° de brevet: |
EP1208028 (A1) |
| Date de publication: |
2002-05-29 |
| Inventeur(s): |
ACHLEITNER HERBERT [AT];BERLIZ GERHARD [AT]; |
| Demandeur(s): |
VAE AG [AT]; |
| Classification: |
B61L5/10; |
| N° de demande: |
EP20000958033 20000829 |
| Numéro(s) de priorité: |
WO2000AT00231 20000829;AT19990001498 19990831 |
The objective of present invention is to provide an electroplating solution capable of forming the upper face of a via-hole and the upper face of a conductor circuit in the same layer in approximately the same plane at the time of manufacturing a multilayer printed circuit board. The electroplating solution of the present invention is characterized by containing 50 to 300 g/L of copper sulfate, 30 to 200 g/L of sulfuric acid, 25 to 90 mg/L of chlorine ion, and 1 to 1000 mg/L of an additive comprising at least a levelling agent and a brightener. <IMAGE>
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