Hand rubbing nuclear fusion live in the wilderness

Chapter 195 A laboratory in an island country who wants to cry but has no tears

In the chemical laboratory, Han Yuan was busy standing in front of the silver-white experimental table.

He has already prepared for what kind of magnetic head to manufacture, and the corresponding drawings have been drawn as early as a few months ago.

On the silver-white desktop, the materials for making the magnetic head are also ready.

At the moment, Won is weighing the weight of aluminum, copper, chromium and other materials to configure the head bracket alloy.

This is the easiest step.

It only needs to be configured according to the alloy material ratio, then melted and poured into the mold to cool and form, and then polished and polished.

However, a large number is required. A disk has both positive and negative magnetic layers, which can store data.

Moreover, the magnetic head for writing data and the magnetic head for reading data are prepared separately.

That is to say, for a disk, he needs to prepare at least four heads, corresponding to four brackets.

And the head brackets required for ten disks are naturally forty.

After several hours of busy work, Han Yuan prepared all forty head brackets.

The prepared bracket presents an A shape, the length is slightly longer than the radius of the disk, and the thickness is less than half a centimeter.

After handling the magnetic head bracket, Han Yuan continued to weigh the materials for preparing the magnetic head sensing area, and said:

"The magnetic head is the most difficult to manufacture of all the parts in the magnetic memory, and it is also the one with the highest technological content."

"Whether it is the material, the manufacturing process, or the setting of the magnetic induction area, it is quite difficult."

"The magnetic head I prepared this time, the bracket is made of high-chromium aluminum alloy, which is hard enough, has good toughness, and can work stably for a long time."

"The material of the magnetic head sensing area is nickel-iron-chromium alloy."

"This alloy is very common and can be used to make the sensing region of a magnetic head because it forms a weak magnetic region when electricity is applied."

"Of course, this is related to the coil winding method on the induction area, which will be discussed later."

"Although Inconel heads use magnetic regions to write data just like regular heads, there are some differences."

"Although the nickel-iron-chromium alloy I made also needs to make a magnetic region to write data, but while making the magnetic region, a thermal barrier will be created at the tip of the magnetic head."

"The magnetic area of ​​the magnetic head is assisted by the thermal barrier area, and the magnetic layer medium on the magnetic storage is heated to reduce the coercive force of the medium."

"So that the magnetic head can magnetize the storage medium faster, thereby improving the writing and reading speed, and the most important stability."

"This technology of using thermal energy to assist the magnetic head to write and read data is called 'micro-power thermal magnetic induction technology'."

For his words, most of the audience in the live broadcast room didn't have much emotion.

After all, what he said was only a relatively vague concept, and did not specifically improve the data and performance effects, and the audience did not know what kind of technology it was.

But it is different for the experts who squat in the live broadcast room and specialize in this field.

After hearing that the thermal barrier zone can assist data writing and reduce the coercive force of the magnetic layer medium, these experts stared at the live broadcast screen, for fear of missing any details.

This is what they want to hear and see!

In particular, several scientific researchers in the laboratory of a certain company in the island country were stunned when they heard about the thermal barrier zone and the reduction of the coercive force of the magnetic layer medium. They all stood up and looked at each other. Full of disbelief.

The development of magnetic memory to this day has actually fallen into a bottleneck.

This bottleneck refers to the amount of data that can be written on a disk with a fixed area.

Because any disk, as long as it uses a magnetic layer to record data, it will inevitably encounter the problem of 'superparamagnetic effect'.

This is an obstacle that magnetic storage cannot bypass.

The disc of the magnetic disk is actually made by coating a layer of magnetic material on the base of the disc. The principle is very simple.

But any material is composed of atoms, and the size of atomic crystal particles of magnetic materials will directly affect the magnetic recording density of the disk.

This is because the small magnetic poles on the disk that represent information are made up of hundreds of magnetic particles.

The higher the magnetic recording density, the finer the granularity requirement of the magnetic material.

But as the magnetic particles shrink, the small magnetic poles that represent the data become increasingly unstable.

Moreover, due to the continuous reduction of magnetic particles, the stability of the magnetic layer of the hard disk will deteriorate.

Even mild thermal disturbances can lead to paramagnetism in magnetic particles.

Once paramagnetism occurs, the polarity of the magnet will flip randomly, and the stored information bit will not remain stable at this time.

So how to solve the instability caused by this superparamagnetic effect is a big mountain in the hearts of all researchers.

The island countries are at the forefront of the world in this regard.

The researchers of this company's research laboratory, in the recent research on the 'superparamagnetic effect', found that by adding a certain amount of heat to the magnetic head, this problem can be effectively solved.

In this way, the coercive force of the magnetic medium can be greatly reduced when the disk is writing and reading data, thereby significantly increasing the stability and speed of writing data by the magnetic head.

But this technology was only discovered more than a month ago.

And now, they actually saw it on a live broadcast, how could this make them not doubt life?
And the opponent's technology may be even more advanced than theirs.

After all, their "heat-assisted magnetic recording" technology is still in the laboratory, but the other party has already been able to produce and apply it.

If it weren't for the technology they named 'heat-assisted magnetic recording', which is still in the experimental stage, it would not be able to be used in mass production.

The researchers in the laboratory will think that this technology has been taken out and sold, or that there are spies in the laboratory.

Looking at the busy Korean Won in the live broadcast room, all the researchers in this research laboratory felt like crying.

If it is really the same as what they studied, it will be miserable.

If this technology is first researched by them, it can create a market worth hundreds of millions of dollars every year.

But now, the whole world knows.

And what they know may be more advanced, so what is the use of the 'heat-assisted magnetic recording' technology in their hands?
Although they can also learn this kind of "micro-electric energy thermal magnetic induction technology" through this live broadcast, their original research on the superparamagnetic effect is the first in the world.

The 'Heat Assisted Magnetic Recording' technology that would have brought them billions of dollars a year or more in revenue is now all over.

Not only is the income gone, but the technology in this area has also been dragged to the same starting line as other countries by this live broadcast.

Let alone an island country, no one is willing to come here.

(End of this chapter)