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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110228
EISBN: 978-1-62708-247-1
... it Drain & Source Low Vt & mobility Unchanged Low Source Lower V t Speed up High Source Lower V t Unchanged Low Drain Lower mobility Unchanged High Drain Lower mobility Slow down Figure 25 The interaction images when using 1064nm and 1300nm lasers on a speed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110244
EISBN: 978-1-62708-247-1
.... digitizer-based LVP. Figure 11 Relative Intensity Noise (RIN) vs. frequency for a super-luminescent diode (SLD), a laser source (HSL), and a cooled high-power incoherent light source (cHIL). Measurements were acquired at 1.3um. Figure has been reproduced with kind permission from Hamamatsu...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110196
EISBN: 978-1-62708-247-1
... cut and a reflected light image (b) for registration. Figure 18 Schematic of a NAIL on a sample substrate Figure 19 Example of SDL using a SIL showing better than 200nm spatial resolution using a 1340nm laser source. The green contrast indicates a passing condition. (Image courtesy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110132
EISBN: 978-1-62708-247-1
... by photoconductive switch (PCS). Figure 2 illustrates the basic components involved in the EOTPR system [3] . It contains an ultrafast laser source, a transceiver module, a high-speed probe, a light detection and modulation module, and a readout and display instrument. The ultrafast laser source emits a high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110001
EISBN: 978-1-62708-247-1
... nm laser intensity. One solution to circumvent is to use laser source with a high power, at least 1 watt (output from source). Test head cooling mechanism is another factor that can impact the quality of wafer-level FI analysis. Vibrations are induced as a result of the cooling process...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780141
EISBN: 978-1-62708-268-6
... or quite subtle. This chapter summarizes a few commonly encountered contaminant sources to stimulate the reader's thinking about potential contaminant sources. A case study of titanium component washing at Litton Lasers is presented to illustrate how the presence of contaminants leads to a system failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290079
EISBN: 978-1-62708-306-5
....” The laser can be considered, for metal joining applications, as a unique source of thermal energy, precisely controllable in intensity and position. For welding, the laser beam must be focused to a small spot size to produce a high power density. This controlled power density melts the metal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410551
EISBN: 978-1-62708-265-5
... casting, and cold forging and extrusion. Laser and electron beams provide very high energy, directed sources of heat, and are used for many surface-modification techniques. Depending on power input, high-energy beams may be used for cutting and welding, surface melting and alloying, and localized...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900305
EISBN: 978-1-62708-358-4
..., directed sources of heat and are used for many types of surface modification. As shown in Fig. 16-15 , depending on power input, high-energy laser beams can be used for a variety of applications, including cutting, welding, surface melting and alloying, and localized surface hardening ( Ref 3 , 55 - 58...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350087
EISBN: 978-1-62708-315-7
... for small work Source: Ref 2 High-Energy Beam Hardening Electron- and laser-beam methods use high-energy beams to heat treat the surface of hardenable steel. The electron-beam (EB) heat treating process uses a concentrated beam of high-velocity electrons as an energy source to heat selected...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110042
EISBN: 978-1-62708-247-1
... Figure 1 Typical Lab Microscope showing epi-illumination path. Figure 2 A simple 1920’s microscope showing eyepiece, tube, objective, sample stage and illumination source. From Spitta, 3 rd edition [1] . Figure 3 Schematic view of a simple microscope column showing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110524
EISBN: 978-1-62708-247-1
... Fig 1 Picture of ridge-waveguide laser. Arrows below p-contact show where current flow is concentrated. Fig 2 Picture of vertical cavity laser (VCSEL). Arrows below emitting aperture show where current is concentrated. Fig 4 Drawing of ❬100❭ DLD originating from a crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440159
EISBN: 978-1-62708-262-4
... for effective self-quenching. This treatment, which causes minimum distortion, is used cost effectively on certain specialized applications. Laser-surface-hardening treatments operate in a manner similar to electron-beam treatments except that the energy source is an industrial laser. Because steel has low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110499
EISBN: 978-1-62708-247-1
... with a block fail. Figure 9 Bitmap examples of a fail that is caused by a logic problem in the periphery. Figure 10 Laser scanning localization setup with synchronous input. Figure 11 Soft Defect Localization (SDL) Laser scanning localization setup with a fast pin-electronics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500273
EISBN: 978-1-62708-317-1
... principles of the hybrid processes stretch forming plus incremental sheet forming (ISF) and laser-assisted ISF. Source: Ref 13.19 Stretch Forming and ISF Compared to ISF, stretch forming is relatively fast, produces parts with a good dimensional accuracy, and shows a material flow that creates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110485
EISBN: 978-1-62708-247-1
... Figure 1 Typical SPM configuration showing the basic elements and reference axes. Figure 2 Scanning electron microscope (SEM) images of a typical single crystal silicon SPM probe. Figure 5 AFM configuration with a laser/photodetector detection system. (Image courtesy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220085
EISBN: 978-1-62708-259-4
..., and laser scanning microscopes. atom probe tomography atomic force microscopy laser scanning confocal microscopy metallography scanning electron microscopy scanning transmission electron microscopy transmission electron microscopy Although optical microscopy is based on the interaction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030089
EISBN: 978-1-62708-349-2
... the rest of the optics are preset. Successful use of the macroscope requires that each operating parameter be customized to the task at hand. The light source, filament aperture, distance, intensity, half-mirror, and alignment of the specimen flat to the film plane are all critical. It is difficult...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250001
EISBN: 978-1-62708-345-4
... 0.0491 0.0245 0.0364 0.0156 (a) Hobbed gears. Source: Boston Gear, Quincy, MA Fig. 2 Nomenclature of gear contact areas and boundary zones Fig. 3 Schematic of gear backlash. Source: Ref 1 Fig. 4 Tooth gage chart (for reference purposes only). Source: Boston Gear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... volume Fig. 14.6 A panel loaded in bending. Source: Adapted from Ref 14.10 Fig. 14.7 Selection chart for a strong panel with minimum cost loaded in bending. Properties template courtesy of Granta Design. Source: Ref 14.11 Fig. 14.1 Geometric features of a spot weld...