The ubiquitous semiconductor (1968)

Panorama of the hydroelectric power station dam.

Power transmission lines.

City streets at night with artificial lighting.

Illuminated advertising in the city.

Motor-generator for converting alternating current into direct current.

Mercury rectifier.

Power silicon thyristors.

A silicon wafer of a semiconductor is demonstrated.

Doctor of Technical Sciences V.E. Chesnakov talks about semiconductors.

Thyristor samples.

Silicon disks, which are the basis of a thyristor.

Rectifier element of a valve.

Cartoon explaining the structure of a silicon wafer.

Controlled and uncontrolled valves.

Close-up, portraits of scientists.

Silicon wafer production plant. V.M. Tuchkevich, director of the Ioffe Leningrad Physicotechnical Institute.

He talks about semiconductor research at the institute.

Portrait of A.F. Ioffe.

Design bureau at the Saransk Elektrovypryamitel plant. I.A. talks about it.

Tepman, Lenin Prize laureate.

Personnel producing valves at the Saransk plant.

Semiconductor production in Kyrgyzstan.

Quality control of manufactured products.

Test benches for semiconductor products.

Panorama of Tallinn.

Kalinin Tallinn Electrical Engineering Plant.

Interview with Oleg Korolev, an engineer at the plant.

Samples of products manufactured by the plant.

Power transmission lines.

Electrical substation.

Electrified railway tracks.

Tallinn Electrotechnical Plant named after Kalinin.

Assembly line for semiconductor rectifiers.

Assembly line for complex semiconductor units from rectifiers.

Such units can be quickly assembled, repaired, and replaced.

Various rectifier units are demonstrated.

Illuminated advertising and lighting in the night city.

A metro train arrives at a metro station in Moscow.

Silicon rectifiers at a metro station.

Metro substation engineer G.S. Lobakhina tells the story.

Metro station.

Driver's cabin of an electric train.

Mercury rectifiers in a train locomotive.

Semiconductor rectifiers in another train.

Electric train.

Metallurgical production.

Control panel for a power plant at such a production facility.

Rolling mill.

Complete thyristor converters.

Aluminum production.

Ingots of purified aluminum.

The basis of aluminum production is electrolysis, which requires direct current from rectifier units on silicon valves.

Such a unit is demonstrated.

Galvanic baths, which also require direct current from rectifiers.

USSR electrical grid diagram.

Power transmission lines.

Portraits of scientists developing new thyristor rectifier systems.

Conversion of direct current to alternating current.

Sewing production, which requires alternating current to operate its equipment.

Vilnius weaving factory.

Engineers assemble valves according to specific circuits that convert direct current to alternating current.

Inverter.

Operating room.

Doctors perform an operation.

Lighting above the operating table.

Equipment in the operating room.

In the event of a power outage, the battery is turned on, the energy from which comes through the inverter.

Alternation of personnel with institutions that should never be interrupted in power supply.

Conversion of alternating current of one frequency to current of another frequency.

This is also achieved by changing the valves and connection circuits.

Hardening and processing of metal with high-frequency installations is carried out using a high-frequency semiconductor converter.

Electrical circuit of the converter.

Shaft.

Movement of the cage.

The operator controls the movement of the cage.

Semiconductor frequency converter on the shaft.

The plane takes off.

Radar antenna.

The rocket is installed on the launch pad.

Rocket launch.

The image of the astronaut in monumental painting.