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Flip Chip (trademark)

 

 
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Flip Chip (trademark)
 
 
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Flip-Chip modules were used in the DEC
Digital Equipment Corporation

Digital Equipment Corporation was a pioneering United States company in the computer industry. It is often referred to within the computing industry as DEC ....
 PDP-7
PDP-7

The Digital Equipment Corporation PDP-7 is a minicomputer produced by Digital Equipment Corporation. Introduced in 1965, the first to use their Flip Chip technology, with a cost of only $72,000 USD, it was cheap but powerful....
 (Referred to in documentation as the "FLIP CHIP"), PDP-8
PDP-8

The PDP-8 was the first successful commercial minicomputer, produced by Digital Equipment Corporation in the 1960s. DEC introduced it on 22 March 1965, and sold more than 50,000 systems, the most of any computer up to that date....
, PDP-9 and PDP-10
PDP-10

The PDP-10 was a mainframe computer manufactured by Digital Equipment Corporation from the late 1960s on; the name stands for "Programmed Data Processor model 10"....
, beginning on August 24, 1964.

There appeared to be some confusion inside DEC at the time, as various manuals refer to it as "FLIP CHIP", "Flip Chip", "FLIP-CHIP", "Flip-Chip" and "Flip Chip", with trademark and registered trademark symbols.

The modules were called Flip Chip because early versions of some of these modules used flip chip
Flip chip

Flip chip, also known as Controlled Collapse Chip Connection or its acronym, C4, is a method for interconnecting semiconductor devices, such as Integrated circuits and MEMS, to external circuitry with solder bumps that have been deposited onto the chip pads....
 mounting for individual diode
Diode

In electronics, a diode is a two-terminal device .Diodes have two active electrodes between which the signal of interest may flow, and most are used for their unidirectional electric current property....
 chips, but were eventually found to be unreliable so conventional discrete diodes replaced the flip chips.






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Flip-Chip modules were used in the DEC
Digital Equipment Corporation

Digital Equipment Corporation was a pioneering United States company in the computer industry. It is often referred to within the computing industry as DEC ....
 PDP-7
PDP-7

The Digital Equipment Corporation PDP-7 is a minicomputer produced by Digital Equipment Corporation. Introduced in 1965, the first to use their Flip Chip technology, with a cost of only $72,000 USD, it was cheap but powerful....
 (Referred to in documentation as the "FLIP CHIP"), PDP-8
PDP-8

The PDP-8 was the first successful commercial minicomputer, produced by Digital Equipment Corporation in the 1960s. DEC introduced it on 22 March 1965, and sold more than 50,000 systems, the most of any computer up to that date....
, PDP-9 and PDP-10
PDP-10

The PDP-10 was a mainframe computer manufactured by Digital Equipment Corporation from the late 1960s on; the name stands for "Programmed Data Processor model 10"....
, beginning on August 24, 1964.

There appeared to be some confusion inside DEC at the time, as various manuals refer to it as "FLIP CHIP", "Flip Chip", "FLIP-CHIP", "Flip-Chip" and "Flip Chip", with trademark and registered trademark symbols.

The modules were called Flip Chip because early versions of some of these modules used flip chip
Flip chip

Flip chip, also known as Controlled Collapse Chip Connection or its acronym, C4, is a method for interconnecting semiconductor devices, such as Integrated circuits and MEMS, to external circuitry with solder bumps that have been deposited onto the chip pads....
 mounting for individual diode
Diode

In electronics, a diode is a two-terminal device .Diodes have two active electrodes between which the signal of interest may flow, and most are used for their unidirectional electric current property....
 chips, but were eventually found to be unreliable so conventional discrete diodes replaced the flip chips. In later computers where DEC used integrated circuit
Integrated circuit

In electronics, an integrated circuit is a miniaturized electronic circuit that has been manufactured in the surface of a thin Wafer of semiconductor material....
s they continued to use "Flip-Chip", despite the fact that actual flip chip mounting was not used, so that they could retain their trademark
TradeMark

TradeMark is a tall, primarily residential, skyscraper in Charlotte, North Carolina. It was completed in 2007 and has 28 floors. There are 200 hundred residential units....
. Eventually the trademark was allowed to expire.