| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide microtextured implants and methods for making the same. <P>SOLUTION: The present invention concerns a process for etching metal by contacting the metal with a solution comprising hydrogen chloride and a persulfate salt; wherein the solution has a hydrogen chloride concentration of about 3 to about 11.7 moles/liter and a molar ratio of hydrogen chloride to persulfate salt of about 4:1 to about 134:1, wherein the persulfate salt is dissolved in the solution with the use of heat input. <P>COPYRIGHT: (C)2009,JPO&INPIT |
