Metallization of ceramics
A method of making a metallized ceramic having a mid-level phosphorous content in one or more metal layers. The metallized ceramic made by the method may be employed in electronic devices.
1 . A method comprising:
a) conditioning a ceramic;
b) applying a catalyst to the ceramic; and
c) plating a metal alloy on the ceramic employing a bath of mid-level phosphorous content.
2 . The method of claim 1 , wherein the metal alloy comprises nickel phosphorous, cobalt phosphorous, or nickel-cobalt phosphorous.
3 . The method of claim 1 , wherein a rate of metal alloy deposition ranges from 0.8 mils/hour to 5 mils/hour.
4 . The method of claim 1 , wherein a pH of the bath ranges from 5 to 8.
5 . The method of claim 1 , further comprising depositing one or more metal layers, or one or more metal alloy layers, or a combination of one or more metal and metal alloy layers on the metal alloy deposited from the mid-level phosphorous content bath.
6 . The method of claim 5 , further comprising a sintering process.
7 . The method of claim 5 , further comprising a step of forming a pattern on a top metal layer or a top metal alloy layer.
8 . A method comprising:
a) conditioning a ceramic with an alkaline alkyl glycoside composition and an aqueous organic amine and surfactant composition;
b) applying a catalyst with an accelerator to the ceramic;
c) depositing a metal alloy on the ceramic employing a bath of mid-level phosphorous content;
d) depositing a metal or a metal alloy on the metal alloy deposited on the ceramic from the bath of mid-level phosphorous content to form a metallized ceramic; and
e) sintering the metallized ceramic.
9 . The method of claim 8 , wherein a phosphorous content of the metal alloy deposited from the mid-level phosphorous content bath is greater than 4% but less than 5% by weight of the metal alloy.
10 . An article comprising a ceramic having one or more metal alloy layers comprising a mid-level amount of phosphorous.