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IBM RAM Integrated Circuits

International Business Machines (IBM) was incorporated in the state of New York on June 15, 1911 as the Computing-Tabulating-Recording Company. Today, IBM is one of the largest manufacturers of computers and perpherials in the world. The company has vast integrated circuit manufacturing facilities and has been on the forefront of hardware and software design for decades.

High Magnification Images

16MB DRAM (46K) - Partial die shot of IBM 16MB DRAM showing the intersection of two scribe lines using oblique illumination with red, blue, and yellow gels.

16MB RAM (52K) - Partial die shot of IBM 16MB RAM showing a scribe line intersection in the center of the RAM chip using oblique illumination with red, blue, and yellow gels.

16MB RAM (46K) - Partial die shot of IBM 16MB RAM showing a scribe line running down the center of the RAM chip using oblique illumination with blue, red, and yellow gels.

Burst SRAM (51K) - Partial die shot of IBM Burst SRAM showing bus connections using oblique illumination with blue and yellow gels.

Burst SRAM (38K) - Partial die shot of IBM Burst SRAM showing the bus connections on the chip using red, yellow, and blue gels.

High Performance RAM (60K) - Partial die shot of IBM High Performance RAM showing hundreds of bus connections in the center of the chip using oblique illumination with blue, red, and yellow gels.

High Performance SRAM (50K) - Partial die shot of IBM High Performance SRAM showing the bus connections in the center of the RAM chip using oblique illumination with red, blue, and yellow gels.

High Performance SRAM (58K) - Partial die shot of IBM High Performance SRAM showing the almost neon bus connections in the center of the chip using oblique illumination with blue and yellow gels.

Video RAM (32K) - Partial die shot of IBM Video RAM showing a scribe line running through the center of the RAM chip using oblique illumination with yellow, blue, and red gels.


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