Chemical deposition of metals for the formation of microstructures: An alternative method to galvanoforming?

Electroplating of micro-patterned tools via replication of silicone rubber forms

“…As explained in the previous chapter (see also Thies et al 1997), the clogging of microstructure cavities occurred during the growth of the nickel replica. The cross-section of a nickel wall structure, replica of a slit, is shown in Fig.…”

“…Even if no current density distribution in favor of the microstructure rim would result, the nickel growth would increase its AR continuously. In the real case, the orifice of the structure is clogged, enclosing an electrolyte-filled cavity (see, e.g., Thies et al 1997). This type of artifact cannot be avoided for ARs > 5, but for AR < 5 the extent of filling could be optimized to be nearly complete.…”

Determination of vapour pressure and standard enthalpies of sublimation and vapourisation of N,N$prime;-ethylenebis(2,4-pentanedion-iminoato)nickel(II) by a TG-based transpiration method

“…Deposition of nickel films on metallic [1 -3] and nonmetallic substrates [4,5] finds extensive applications in industry and in advanced technology. With reference to advanced technology, coatings with nickel films were resorted to, for the encapsulation of graphite [6] and for the protection of uranium or thorium oxide films for nuclear application [7].…”

Microscreen-based replication of electroforming micromolds

“…In the production of replicate electroforming molds, conductive bases and insulating sidewalls are critical requirements for high aspect ratio designs to prevent premature cavity closure during plating [5]. A specialized example of a replicated electroplatable mold was reported in which an array of micro-nozzles was replicated by ®rst infusing a curable liquid silicone rubber into a closed mold [6].…”