BULLETIN IM[Effi]

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BULLETIN

A Publication oftheMaterialsResearch

Volume32, Number1 ISSN:0883-7694CODEN: MRSBEA

January2007

ONTHECOVER:LaserOirect-WriteProcessing.

Direct-writetechniquesenablecomputer-controlled patternformationin Iwo andthreedimensions.

Theversatilityofferedby laserdirect-write(LDW) methodsis demonstratedbythe structures shownhere.(clockwisefrom right): Detailof a 304 stainlesssteelmedicalstent (outerdiameter, 1.8 mm) eut usinga fi berlaser.Three-dimensional microelectrodecagefabricatedusingLDWchemical vapordeposition(diameterof trappedparticles, 10 ~m),Ag interconnects,50 ~m wide,printedby laserdirect-writeaddition(LDW+)ona semicon- ductor baredie.Surfacenanostructuringof a -25-nm-thickAu film madeby LDWusingnear- field processing.Fluorescenceimageof a LDW+

printedDNAmicroarraycontainingIwo different humangenes(dropletdiameter,-30 ~m). (back- ground)Opticalmicrographof a counter-rotating doubleturbinestructure(diameter,1 cm) made by LDWin a glassceramicmaterial,with vanes roughly500 ~mtall and20-150 ~mwide.Seethe technicalthemethat beginson p. 9.

Aiso in this issue is a technicalfeatureon Silicon Nanomembranesby MaxG.Lagally(Universityof Wisconsin-Madison).Shownhereis a buckled single-crystalsilicon nanomembraneimmediately after releasefrom a silicon-on-insulatorlayer (width of image,-750~m),

www.mrs.org/bulletin

MAS members Ganaccesslullissues 01 MRS Bulletin, with additional theme-related resources, online,

MAS PubliêationsAlert:'. ^"', ,'AeceiveadvanceTable olContents bye:mail.

LASERDIRECT-WRITE

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MRSNEWS PROCESSING ,

70 Hurd leads MRSBoardof 9 laser Direct-WriteProcessing Directorsin 2007

C.B.ArnoldandA.Piqué, 71 Dimos,Galvin,Mooney,and

Guest Editors Samwerto/Chair2007MRS

16 Nanometer-Scale laser Fall Meeting

Direct-WriteUsingNear-Field 72 MRSBulletinVolume

Optics OrganizersGu.ideTechnical

)

C.P.Grigoropoulos, D.J.Hwang,

Theme Topics for 2008 and A. Chimmalgi

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laserDirect-Write Techniques

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ABSTRACTS

for Printing of Complex Materials

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75 Abstracts for February2007 C.B.Arnold,P.Serra, andA.Piqué Journal of Materials Research 32 Direct-Writing of Three-

Dimensional Structures Using

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DEPARTMENTS

laser-Bagad Processes M.Stuke, K.Mueller, T.Mueller,

3 latter from the President K.Williams, R.Oliver, D.A.A. Ohlberg,

G.Fuhr,andRS.Williams TheGathering "Perfect Storm, "

40 The Symbiosis of light and

^-

A.J.Hurd Matter: laser-Engineered 4 Editorial

Materials for Photo- GoodNewsonNewGoods for

Functionality MRSBulletin, P.Drzaic

F.E.Livingston andH.Helvajian 4 Research/Researchers 47 The State of the Art and 7 Science Policy

Future Prospectsfor laser NSF's Future Investment Priorities Direct-Write for Industrial and

BodeWeilforMaterials Research, Commercial Applications K.Rand

K.Sugioka, B.Gu,andA.Holmes

15 Advertisers in This Issue

TECHNICAlFEATURE

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⁷³ ^Interfaces

Startup Companies: Success Dueto 57 Silicon Nanomembranes

a "Cultureof Self-Delusion"

M.G.Lagally 1

74 library

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TheArt of Belonging:A Memoir,

INTERNATIONAL

R.W Cahn,reviewedby

UNIONOFMATERIAlS

J.H. Westbrook

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