摘要:
The present invention relates to aqueous post-treatment compositions and an immersion and/or electrolytical process using said compositions for corrosion protection of metal and/or metal alloy surfaces. The aqueous post-treatment compositions comprise at least one polysiloxane betaine compound and optionally at least one phosphorus containing compound.
摘要:
The present invention is related to a treating module of an apparatus for horizontal wet-chemical treatment of large-scale substrates, in particular glass substrates, comprising a housing with a housing cover; a transport device comprising a plurality of transport elements for horizontal processing of large-scale substrates, wherein the treating module further comprises at least a first liquid nozzle and at least a gas nozzle arranged above the transport level of the large-scale substrates at the entry and at the exit of the treating module for accumulating treatment liquid inside of the treating module, wherein the gas nozzle is arranged more exterior than the respective first liquid nozzle; at least a liquid weir arranged below each first liquid nozzle below the transport level of the large-scale substrates; and at least an adjusting device for adjusting the transport device and the liquid weirs of the treating module. The present invention is further directed to a method for treating of large-scale substrates in a horizontal apparatus comprising among others such a treating module.
摘要:
The present invention relates to an acidic zinc or zinc-nickel alloy plating bath composition comprising a source for zinc ions, optionally a source for nickel ions, a source for inorganic ions selected from chloride ions, sulfate ions and mixtures thereof and at least one dithiocarbamyl alkyl sulfonic acid or salt thereof. Said plating bath composition and the corresponding plating method result in zinc or zinc-nickel alloy layers having an improved throwing power and thickness distribution, particularly when plating substrates having a complex shape and/or in rack-and-barrel plating.
摘要:
The present invention relates to a method for electrodepositing a thick copper layer onto an electrically conductive, sintered layer. The thick copper layer has a high adhesion strength, is poor in defects and internal stress, and has high electrical and thermal conductivity. The thick copper layer on the sintered layer is suited for printed circuit boards for high power electronic applications.
摘要:
The present invention relates to a composition and method for electrodepositing gold containing layers using the composition and the use of mercapto triazole as additive. The composition contains a mercapto-triazole compound which acts as an anti-immersion additive. The composition and method are suited for depositing functional or hard gold or gold alloys that can be applied in the industry as contact material of electrical connectors for high reliability applications.