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	Competing fracture in kinetically controlled transfer printing
	Feng, Xue ; Meitl, Matthew A. ; Bowen, Audrey M. ; Huang, Yonggang ; Nuzzo, Ralph G. ; Rogers, John A.
	2010-05-10 ; 2010-05-10
关键词	THIN-FILM TRANSISTORS VISCOELASTIC MATERIALS SOFT LITHOGRAPHY PEEL TEST STAMP COLLAPSE ADHESION SILICON ADHERENCE MECHANICS POLYMERS Chemistry, Physical
中文摘要	Transfer printing by kinetically switchable adhesion to an elastomeric stamp shows promise as a powerful micromanufacturing method to pickup microstructures and microdevices from the donor substrate and to print them to the receiving substrate. This can be viewed as the competing fracture of two interfaces. This paper examines the mechanics of competing fracture in a model transfer printing system composed of three laminates: an elastic substrate, an elastic thin film, and a viscoelastic member (stamp). As the system is peeled apart, either the interface between the substrate and thin film fails or the interface between the thin film and the stamp fails. The speed-dependent nature of the film/stamp interface leads to the prediction of a critical separation velocity above which separation occurs between the film and the substrate (i.e., pickup) and below which separation occurs between the film and the stamp (i.e., printing). Experiments verify this prediction using films of gold adhered to glass, and the theoretical treatment extends to consider the competing fracture as it applies to discrete micro-objects. Temperature plays an important role in kinetically controlled transfer printing with its influences, making it advantageous to pickup printable objects at the reduced temperatures and to print them at the elevated ones.
语种	英语 ; 英语
出版者	AMER CHEMICAL SOC ; WASHINGTON ; 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/24285]
专题	清华大学
推荐引用方式 GB/T 7714	Feng, Xue,Meitl, Matthew A.,Bowen, Audrey M.,et al. Competing fracture in kinetically controlled transfer printing[J],2010, 2010.
APA	Feng, Xue,Meitl, Matthew A.,Bowen, Audrey M.,Huang, Yonggang,Nuzzo, Ralph G.,&Rogers, John A..(2010).Competing fracture in kinetically controlled transfer printing..
MLA	Feng, Xue,et al."Competing fracture in kinetically controlled transfer printing".(2010).

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