Abstract
In this work the direct transfer of nanopatterns into titanium is demonstrated. The nanofeatures are imprinted at room temperature using diamond stamps in a single step. We also show that the imprint properties of the titanium surface can be altered by anodisation yielding a significant reduction in the required imprint force for pattern transfer. The anodisation process is also utilised for curved titanium surfaces where a reduced imprint force is preferable to avoid sample deformation and damage. We finally demonstrate that our process can be applied directly to titanium rods.
Highlights
Direct nanopatterning of metal is a technology with applications in electronics and optics where high throughput, low cost and low emission methods for the mass production of circuitry [1], mass storage media [2] and optical devices [3] is concerned
Dalby et al have shown that disordered arrays of nanopits may stimulate bone formation from bone marrow stem cells upon an implant’s surface [4]
This paper examines direct nano-imprinting as a method for achieving the goal of creating an efficient titanium implant patterning system and reports an advancement in the process efficiency through surface oxidation
Summary
Direct nanopatterning of metal is a technology with applications in electronics and optics where high throughput, low cost and low emission methods for the mass production of circuitry [1], mass storage media [2] and optical devices [3] is concerned. The adoption of the technology for the bio-engineering application of implant surface modification is examined. There are several methods derived from the microelectronics industry which may be considered for achieving such controlled topographical alterations. Methods such as: chemical etching [5], electrochemical machining [6], electro-discharge machining [7], imprinting [8], laser modification [9], oxidation [10] and reactive-ion-etching (RIE) [11]. This paper examines direct nano-imprinting as a method for achieving the goal of creating an efficient titanium implant patterning system and reports an advancement in the process efficiency through surface oxidation
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