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fault isolation

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Published: 01 November 2019
Figure 3 Prober configuration for wafer-level testing and dynamic fault isolation. More
Image
Published: 01 November 2019
Figure 4 Static fault isolation setup on a wafer-level scanning optical microscope. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110111
EISBN: 978-1-62708-247-1
... Abstract Magnetic field imaging (MFI), generally understood as mapping the magnetic field of a region or object of interest using magnetic sensors, has been used for fault isolation (FI) in microelectronic circuit failure analysis for almost two decades. Developments in 3D magnetic field...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110132
EISBN: 978-1-62708-247-1
... and limitations of these techniques (TDR, EOTPR, and combo TDR/TDT) are summarized and compared. electrical connectors electro optical terahertz pulse reflectometry fault isolation semiconductor packages telegraph lines time domain reflectometry time domain transmissometry twisted cables...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110323
EISBN: 978-1-62708-247-1
.... backside nano-probing techniques electron beam probing fault isolation techniques silicon transistors transmission electron microscope Substrate side silicon removal methods are presented that enable backside fault isolation of semiconductor devices. These methods do not require great skill...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090001
EISBN: 978-1-62708-462-8
... Abstract This chapter briefly lays out the challenges associated with electrical fault isolation (EFI) brought on by continued transistor scaling and increasing package complexity. It also identifies high-priority issues and areas of technology that must be addressed for EFI tools...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090021
EISBN: 978-1-62708-462-8
... Abstract Recent trends in electronic packaging, including the growing use of 3D designs and heterogeneous integration, are greatly adding to the complexity of isolating faults in semiconductor products. This chapter reviews the latest IC packaging and integration solutions and assesses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090063
EISBN: 978-1-62708-462-8
... Abstract This chapter sheds light on the challenges involved in diagnosing faults in analog, mixed-signal, and RF circuits. It describes some of the work being done to leverage the benefits of standardization, improve fault simulation tools, and overcome limitations on optical fault isolation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110550
EISBN: 978-1-62708-247-1
... these 2.5D and 3D packages. This article focuses on these methods of fault isolation, non-destructive imaging, and destructive techniques through an iterative process for failure analysis of complex packages. 2.5D packaging 3D packaging destructive techniques failure analysis fault isolation non...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110010
EISBN: 978-1-62708-247-1
... inspection, X-ray inspection, scanning acoustic microscopy, infrared (IR) microscopy, and electrical verification. The article discusses various fault isolation techniques to tackle the wide array of failure signatures, namely IR lock-in thermography, magnetic current imaging, time domain reflectometry...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090091
EISBN: 978-1-62708-462-8
... Abstract An architectural shift to buried power rails (BPRs) with backside power delivery (BPD) is on the horizon as CMOS technology approaches the 2 nm node. The obstruction created by the presence of BPD networks obsoletes many of the electrical fault isolation (EFI) techniques that have been...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090069
EISBN: 978-1-62708-462-8
... many challenges for yield ramp and diagnostics. This chapter examines these challenges and the growing demand for innovative solutions to help failure analysts quickly and accurately isolate faults. It also assesses the capabilities and future potential of ATPG scan diagnostics, streaming scan networks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110025
EISBN: 978-1-62708-247-1
...-destructive localization techniques. The techniques considered for advanced fault isolation are magnetic current imaging for shorts and opens; infrared thermography for electrical shorts; time-domain-reflectometry for shorts and opens; scanning acoustic microscopy; and 2D/3D X-Ray microscopy. The individual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090003
EISBN: 978-1-62708-462-8
... Abstract This chapter assesses the capabilities and limitations of electric fault isolation (EFI) technology, the measurement challenges associated with new device architectures, and the pathways for improvement in emission microscopy, laser stimulation, and optical probing. It also assesses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110228
EISBN: 978-1-62708-247-1
... Abstract Diagnosing the root cause of a failure is particularly challenging if the symptom of the failure is not consistently observable. This article focuses on Laser Assisted Device Alteration/Soft Defect Localization (LADA/SDL), a global fault isolation technique, for detecting such failures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110244
EISBN: 978-1-62708-247-1
... theory, providing information on electro-optical effects and free-carrier effects. It then focuses on commercially available continuous wave LVP systems. Alternative optoelectronic imaging and probing technologies for fault isolation, namely frequency mapping and laser voltage tracing, are also discussed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090131
EISBN: 978-1-62708-462-8
... neural networks have been trained to detect and classify PCB defects, improve signal-to-noise ratios in SEM images, recognize wafer failure patterns, and predict failure modes. It explains how new packaging strategies, particularly stacking and disintegration, complicate fault isolation and evaluates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.9781627084628
EISBN: 978-1-62708-462-8
Image
Published: 01 November 2019
Figure 9 Cross-sectional view of a 2.5D packaged module. The image attached here is just prior to reaching the solder bump and micropillar center for further fault isolation. More
Image
Published: 01 November 2019
Figure 1 With the introduction of copper metallization, the number of metal layers greatly increased, the spacing between the metallization has decreased, and Low-K dielectric replaced BPSG making the construction of microprobe pads for fault isolation very difficult. More