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n-type semiconductor oxides

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730037
EISBN: 978-1-62708-283-9
..., almost all of the donor electrons are promoted. In this case, the conductivity primarily is by donor electrons; their number is approximately the number of group V atoms per volume, and the semiconductor is n-type (negative carriers). Figure 4.10 shows the temperature dependence in this case...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110279
EISBN: 978-1-62708-247-1
... or acceptor atoms depending on whether the device is N or P type. A planar MOSFET structure is shown in figure 1 . Figure 1 Structure of a planar MOS device Planar device structures were successfully implemented in designs from 250nm down to roughly 20nm. The challenge with planar devices...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110485
EISBN: 978-1-62708-247-1
... and phase required to cause depletion. In areas of high or low concentration, dC/dV becomes very small thereby reducing any detected capacitance signal. Figure 14 C-V relationship for a n-type semiconductor (Image courtesy of Digital Instruments) A typical SCM system arrangement is shown...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110285
EISBN: 978-1-62708-247-1
... measurements give significant information as to the nature of the failure mechanism (gate oxide defect, poly defect, substrate dislocation defect, Vt shift defect, etc.). This additional information indicates the type and location of the physical analysis that should be performed (cross section TEM, plain view...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110379
EISBN: 978-1-62708-247-1
.... This article discusses the general procedure, types, advantages, and disadvantages of each of these techniques. In this article, two types of different semiconductor die level backend of line technologies are presented: aluminum metallization and copper metallization. aluminum metallization copper...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.9781627082839
EISBN: 978-1-62708-283-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110524
EISBN: 978-1-62708-247-1
... to identify failures as “wearout” or “maverick” failures a key concept regardless of the type of device being investigated. We also have covered the capabilities of many key failure analysis tools. The chapter includes many examples from degraded semiconductor lasers — the field in which the author has two...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110447
EISBN: 978-1-62708-247-1
... thickness on the lead fingers and solder balls that can potentially grow during a storage period. This study was undertaken to assess oxide growth and solderability versus storage on multiple package types and lead finishes (SnPb and Pb-free LQFPs, SnPb and Pb-free BGAs) following various aging conditions...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730139
EISBN: 978-1-62708-283-9
... then are acid etched. The etched regions then may be treated differently from the rest of the surface. They may be doped by exposure to plasma containing n- or p -type impurities, or they may be plated to form conducting circuits. Integrated circuits are composed of many overlapping layers ( Fig. 13.9...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030025
EISBN: 978-1-62708-282-2
.... There are essentially two types of semiconductors: p -type (or positive carrier)—which may have vacancies in its metal lattice or an excess of anions contained interstitially—and n -type (or negative carrier)—which may have an excess of metal ions contained interstitially or vacant anion lattice sites. For diffusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110461
EISBN: 978-1-62708-247-1
... from thickness variations from those types of samples is minimal and can be mostly ignored. However, in the case of semiconductor devices, various device features of differing densities are also composed of several elements with a wide range of atomic weights. When the incident electron beam interacts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110269
EISBN: 978-1-62708-247-1
..., their capacitance plays an important role. Even transistors can affect the PVC generation when they are broken. In Fig. 5 the PVC generation at S/D contacts is shown. The diodes, formed by n-contacts in p-wells are reverse biased. The charging generated by the leaving secondary electrons can’t flow down...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110180
EISBN: 978-1-62708-247-1
... or find the failed location after it has degraded [26] . Latch up Latch up is a parasitic bipolar operation of a CMOS inverter that creates a low resistive short between well and substrate. It spreads widely and typically destroys the chip. Between two neighbouring n and p type FETs, the lower...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 January 2023
DOI: 10.31399/asm.tb.itfdtktmse.t56060001
EISBN: 978-1-62708-440-6
... in cubic meters, T is the absolute temperature in K , n is the number of moles of gas present, and R is the universal gas constant. Between collisions, molecules move an average distance given by Eq 2 ( Ref 1 ): (Eq 2) t coll = 1 / 2 πN d 2 v where t coll is the average...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
... types of commercial alloys are outlined in Chapter 5, “Modern Alloy Production,” in this book. Heat treatment of aluminum, cobalt, copper, magnesium, nickel-base superalloys, and titanium alloys is discussed in Chapter 14, “Nonferrous Heat Treatment.” 13.1 Light Metals (Al, Be, Mg, Ti) High...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110634
EISBN: 978-1-62708-247-1
... vectors could exceed 20 Gbytes. Manufacturers are moving toward integrating many different types of circuits on a single die and combining multiple die into an integrated component (such as a 3D IC) --including putting analog and DRAM circuits on previously digital ICs. Test methods that have...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 January 2023
DOI: 10.31399/asm.tb.itfdtktmse.9781627084406
EISBN: 978-1-62708-440-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110351
EISBN: 978-1-62708-247-1
.... This is followed by removal of the active area and polysilicon gate on the n-FET side, and exposure of the contacts to the poly gate. The final FIB step in completion of this type of work is the protection and insulation of the edit by a layer of FIB deposited SiO 2...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2022
DOI: 10.31399/asm.tb.dsktmse.t56050001
EISBN: 978-1-62708-432-1
... Characteristics of different types of diffusion treatments Type of nitriding Processing temperature Diffused case depth Case hardness, HRC Features °C °F Pack aluminizing 870–1050 1600–1920 25 μm–0.7 mm <20 Good for oxidation resistance, pack disposal issues Siliconizing (CVD) 925...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... to the hydrogen gas must also be made. Fig. 11.18 Induction systems for epitaxial deposition and CVD coating of semiconductors. From S. Berkman, V. S. Ban, and N. Goldsmith, Heteroepitaxial Semiconductors for Electronic Devices , G. W. Cullen and C. C. Wang, eds., Springer-Verlag, New York, 1978, p 264...