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OCR for page 105
Appendix A
GLOSSARY OF SOME TERMS AND ACRONYMS USED IN THIS REPORT
BiCMOS - an integration of bipolar and complementary MOS devices on a single
chip
Blind via - a via that terminates only on one side of the board
Buried via - a via that terminates on two buried planes
CAD - computer-aided design
CAM - computer-aided manufacturing
Captive production - company in-house component production and consumption,
not for outs ide sale
CC - chip carrier
Chip - diced semiconductor active element to be mounted (bonded) in a package
~ see " die " ~
CMOS - complementary metal- oxide - semiconductor
COB - chip on board
CPU - central processing unit
C4 - controlled collapse chip connection
CTE - coefficient of thermal expansion (~) (also see ''ICE" ~
Die - IC chip as cut (diced) from a finished wafer, to be mounted (bonded) in
a package t see "chip"]
DIP - dual in-line package
DRAM - dynamic random access memory
(' - real part of dielectric permitt~vity (E '/6O = k)
105
OCR for page 106
106
(" - imaginary part of dielectric permittivity
SO - dielectric permittivity of free space
~ - dielectric constant fused interchangeably with k in the text j
ECL - emitter-coupled logic
EMI - electromagnetic interference
FET - field effect transistor
GaAs - gallium arsenide
HTSC - high-temperature superconductor
IC - integrated circuit
I/O - inputs/outp~ts
k - relative dielectric constant (if) [used interchangeably with Ej
~ - thermal conductivity
MCM - multichip module
MLB - mult~layer board
MOS - metal-oxide-semiconductor
MOSFET - metal-oxide-semiconduc~cr field effect transistor
NAND - "not" I' end" (a logic circuit function designation'
NMOS - n-channel metal-oxide-cemiconductor
NOR - 'snot" tror" (a logic Air Chit function designation)
PCB - printed circuit board [used interchangeably with EWE in the text
PGA - p in grid array
P-g'ass - phosphosilicate glass used for chip passi~ra~ion
POP - b~pc~la' dove ce ~ ayer structure (hole-rich layer/electron-rich
lay er~hole - rich layer) ~ bars Astor
P-H - pi Ted through holes
PUB - pro need wi.~ir~5 board fused interchangeably with PCB in the text
OCR for page 107
107
RIE - reactive ion etching
RISC - reduced instruction set computer (or processor)
SMA - surface -mount assembly
SCM - single chip modules
S RAM - static random access memory
TAB - tape automated bonding
TCE - thermal coefficient of expansion Acts [see "CTE" ~
Via - a conducting through path perpendicular to the plane of the substrate
~ see also blind via ~
NISI - wafer- scale integration
OCR for page 108
Representative terms from entire chapter:
effect transistor