The introduction of Note Air unveils a tip of the iceberg of how we made the 5.8mm-thick Note Air. In this article, we will unfold the full story and lead you into our engineering office to see how we made Note Air thin and solid.
Start With The Specially Structured E Ink Screen
When receiving the 10.3’’ Carta screens from E Ink, our hardware designers frowned their brows.
Unlike the Mobius flexible screen that we’ve applied on Note2, Max3, Max Lumi and other models, the 10.3'’ E Ink Carta screen determines that the screen FPC (Flexible Printed Circuit) has to be arranged on the side.
Based on this fact, we make a wider bezel for Note Air and introduce the ergonomic design for our users to help them grasp the screen effortlessly.
Several months ago, we made out a dummy of the original Note Air, which has only around 370g and 4.7mm without the front light.
While we were thinking that “okay, it’s done, let’s move to the next part,” our product manager, factoring in the versatility of a digital device, decided to equip Note Air with the front light.
The front light added around 50 grams and 1.1mm. The extra weight and thickness is a trade-off for convenient, eyestrain-free usage in any light. Even if we had to sacrifice a lightweight feature that would please more customers, we still wanted to make a device that can fit in more purposes to benefit our users in the long term.
Reinforce Down to the Nano Level
Although the wider bezel offers a broader grip area, it also determines that people will usually apply force on one side. And here was what our concerns rooted.
As we’ve shared in our Note Air unveiling article, we used to consider splicing the screen with the broader bezel together. But such a way will shift the gravity to the screen, the larger part of the device. The inequivalence of force will put the high-cost HD Carta screen at risk.
So we decided to go in another way that can provide the screen with large support.
The aluminum case is our optimal choice. We put a single high-quality aluminum sheet into the CNC machine. The toolings precisely milled out the shape of the case and spaces for hardware components. Then we created the nano-scale dimples across the surface and injected the quality resin into them to achieve a strong bond with the aluminum.
It is the first time that the Nano Molding Technology (NMT) has even been used on an E Ink product. Such an advanced technology can build out a lightweight, rigid case for Note Air featuring lasting longevity. More importantly, the nano parts can enhance signals to improve the BT and WiFi connectivity.
After machining such a one-piece solid aluminum case, we vertically pressed the EPD (Electronic Paper Display) module consisting of several layers into it. So we built a slim device that can dissipate force evenly.
Remain Intact in Large Pressure
Before the Note Air was released, we tested its durability with a pressure test and a torsion test.
The pressure test put a 2kg roller on the 5.8mm-thick, 420g device and rolled on it in all directions. The torsion test clamped the Note Air with two manipulators and twisted it in opposite directions with the torque of 1N/m, at the frequency of 15times per minute, and tested it for 200 times.
The result turned out that the hardness of the Note Air screen can reach to 6H. The force in the tests didn’t break down Note Air or even created a crack, and Note Air could function well afterward.
24-Pin USB Type-C Port With Special Reinforcement
There is a power button, a USB Type-C port and a speaker on the “spine” of the Note Air.
The interface was not placed on the side but on the left top initially. But we gave up the placement on the top for a reason: it’s too fragile to be in that place.
If the USB port is placed on the left top corner, the welding joint will be too close to the edge to maintain rational strength. That’s to say, it will risk loosening after a long time of use.
To fix this issue, we finally decided to place the USB Type-C interface on the side and used NMT to reinforce it with quality plastics. So it can endure at least ten thousand times of plugs and unplugs. Also, Note Air adopts USB 3.0 and employs 24pins in its USB Type-C port to provide large data transfer speed.
Last For At Least Four Weeks And Charge Fast
Note Air is not only a digital notepad, an ePaper, or an eReader.
It’s a slim, 10.3’’ E Ink tablet.
Its thin batteries have to sacrifice large capacity due to the physical and technological limitations. At the same time, they have to power the Note Air, so users can achieve tasks efficiently with versatile tools.
Therefore, some users are concerned that the 3000mAh batteries in the Note Air can only last a few days on one charge.
Actually, Note Air can last at least 4 weeks on standby mode.
Moreover, the two batteries are parallelly arranged to provide a capacity of 3000mAh in total. Such a structure enables a large space for the batteries and provides them with a higher voltage to speed up the charging. Together with Quick Charge 4.0, you can fully charge Note Air in just a few hours.
Keep It Beautiful, Keep It Clean
Note Air is a device with a brand-new design and new materials. It is more possible to leave fingerprints on its aluminum case. So we add an anti-fingerprint (AF) coating to make the case look clean and shiny even after a long time of use.
Also, the PU leather part of Note Air’s protective case is equipped with an anti-bacterial coating. It’s proven to reduce germs’ growth, including 99.98% of Escherichia coli and more than 99.99% of Staphylococcus aureus. So the protective case can help you keep the device intact and clean and prevent the bacteria from injuring your health.
Note Air is not the most premium, expensive model in the Note line, but it distills our efforts of innovating a slim but reliable, quality device. It also embodies the most advanced features and manufacturing solutions in the E Ink industry.
We hope you look forward to this device and benefit from the details created for better user experience.
You can order the Note Air at the BOOX Shop now and get a full set of free accessories, including the anti-bacterial protective case.
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