Lei Feng network press: The author of this article Deng Deng adults, authorized Lei Feng network (search "Lei Feng network" public number attention) original starting.
With regard to this generation of iPhone 7, I will talk about two things I am more interested in: bright black and the new Home button.
To say that in the digital world's metal craftsmanship, Apple dares to say second, no one dares to say first.
Not to mention, took the first generation of iPhone in 2007, it is already aluminum alloy stamping + CNC + sandblasting anodized shell;
There is also an iPod product line, a metal one-piece shell, used aluminum alloy, polished stainless steel (Touch 4), and aluminum alloy front cover + stainless steel polished back cover (iPod Classic), the computer product line is currently all aluminum alloy .
As far as the mobile phone is concerned, the iPhone4 stainless steel frame, for the first time, it was beautiful to see the mobile phone playing stainless steel.
The iPhone5's aluminum alloy Unibody (in one-piece body technology), for the first time on the phone to do so account for such a high metal.
In the iPhone 6 series, the upper and lower glasses of the 5th generation were removed and replaced with injection molding strips.
We can see that this generation of iPhones is changing, and Apple is heading towards a more integrated, higher-weight metal target. Colors also change from two colors to three, and 6s to four.
In other words, in this piece of metal processing, the diversity of apples from oneness play to coloring. Looking at the major new mobile phones, in the aluminum alloy piece, from a few hundred to several thousand are basically the same metal one, the color is to want a few can do a few.
Look at this time the apple, from the early manufacturing process leading, and then gradually can only lead by color, as the iPhone6 ​​series of metal integrity is still the top level, but the speed of the friends to catch up is also amazing, two years out An ID and the apple of the manufacturing process are the time to come up with something that others have not done to defend their position in the metal process.
iPhone7 bright black
This is the first topic I want to talk about today:
What is the black light.
How did the black light come from?
What are its advantages and disadvantages?
The significance of the industry.
Black all-metal mobile phones are available on the market, but they are both black and all-metal, and are anodized and mirror-polished phones. Currently, only the iPhone 7 is a brand-new metal coloring solution. This is what I want to focus on. Original intention.
What is the black light
As the name suggests, bright black is still black in nature, but this black is very bright, the surface can be close to the mirror effect, looks bright and shiny, crystal clear, there is a visual sense of glass and ceramic, but has a texture between the metal and glass .
How is the black light made?
Metal body after CNC machining.
Then polished and polished, the performance is as smooth as the mirror.
It is then anodized and colored, with a very high saturation of pure black.
Finally, a layer of coating is applied on the surface.
After finishing, the machine's feel is completely different from the current sandblasting + anodizing. There is a bit of metal in the hand and it is not as strong as it used to be, but of course it is a bit slippery.
What are its advantages and disadvantages?
The first is that the process of sandblasting and anodizing is now being used up to five or six thousand, and mobile phones can be used up to five or six hundred. It is a very good and mature metal coloring process. Moreover, Apple is also seeking a breakthrough that can anodize the desired color while still having the cool effect of the mirror light.
As for the shortcomings, compared with the previous sandblasting + anodizing, this mirror polishing + anodizing + polishing + coating process is not as good as sandblasting + anodizing in terms of wear resistance and scratch resistance. Even if there is a coating, streaking will certainly scratch .
Otherwise, Apple wouldn’t try to come up with such a description in the official website:
The glossy black iPhone 7 and iPhone 7 Plus' high-gloss finish is created using an anodizing and polishing process that includes nine precision processes. Its surface hardness is the same as other anodized Apple products; however, high-gloss surfaces may wear slightly with everyday use. If you are concerned about this, I suggest you choose a suitable protective shell to protect your iPhone.
Meaning for the industry
In fact, before the iPhone 7 was released, many people knew the process and quietly sampled it, but they did not see anyone else.
Some of the hottest models that have been seen by international companies are trying this technique. During the proofing process, the samples were hand-held on the various sandpapers of various thicknesses for several hours.
So the biggest difficulty of this kind of craft lies in polishing the mirror effect, it is very time consuming. To use artificial sanding, it is too time-consuming. If you want to polish it with a machine, the mobile phone is not a flat surface after all. How to ensure that the flat arc surfaces do the same mirror effect, this requires long-term debugging and high-precision machines, the accuracy is not If you are too tall to be scrapped, the yield rate will be low, the yield will be low and the cost will increase. After the increase in costs, why do I have to spend so much energy to toss and use the original craftsmanship?
What Apple chose this time is that the grinding program is continuously grinding in the gravel. The video hasn't been described too much. However, it can be imagined that the grinding process is not only this one, it is also Apple's self-developed technology.
Even so, the bright black process is still a problem. The mirror polishing process is too complex. The productivity and yield rate need to be constantly improved to improve. After reading the official website of Apple, it once again confirmed my previous conjecture, this new The color matching only appears on models with capacities above 128G, and it is estimated that it is difficult to obtain a machine.
New Home key 
Before the iPhone 7 was released, many mobile phones had already made the Home button untouchable and touchable. At the time, they all said that you could not press the Home button. Apple did it. The iPhone7 will do the same thing if you press the button down and try your best to unlock it.
However, the iPhone 7 really did, but look at the fixed-dead home-key phones now, and look at the iPhone 7 Home button. Is that something? In addition to the same form, the experience is the same?
This is a microblog I sent in June this year:
You see a button that has opened a hole. The instinctive approach is to press it hard. Then you find out if the item is motionless. There is no feedback or a click of a button. Do you think it was deceived?
This is the sense of falling that the design does not meet with psychological expectations.
So Apple's MacBook's touchpad also canceled the original mechanical buttons, the touchpad fixed dead. Why didn't you think it was cheated? Because Apple has a force touch and a taptic, their cooperation has simulated the press feedback that I pressed to meet the expectations of my heart. So, I also control whether it is a button, Apple replaced the mechanical buttons with higher-tech things without affecting the experience .
Two things that are not the same, even if they are the same in form, but the experience is very different.
Now take a look at this passage and look at Apple's interpretation of the new Home button.
Also, I noticed this sentence in the copy:
Support intensity sensing. It can be used with the new Taptic Engine to provide precise tactile feedback when you press and can be customized.
When I saw this sentence, I was shocked by the whole person, because in June I also sent a microblog:
If Apple cancels the Switch of the button and only retains the fingerprint recognition, it will add a pressure touch similar to that of the Mac, and it will be equipped with the vibration of the Taptic Engine, simulating the effect of key feedback.
Before I wondered if the Taptic Engine above the iPhone could simulate the key effect, this is the key to the good or bad experience. The vibrating elements on the Mac are ten times larger than those on the iPhone. The vibration frequency is low, and it is completely fake.
Therefore, there are two technical points that need to be overcome:
1. Add pressure sensing in the key area, not shared with the screen, but controlled separately.
2. The improved Taptic Engine simulates the key feedback.
Apple actually made it on the phone. The Home button increased pressure sensitivity and improved the Taptic Engine. According to the intensity of pressing the Home button, the Taptic Engine responded to the corresponding shock, letting you think that you pressed a mechanical button. Actually, this is technology. The combination with science and technology is a good deception.
If there is any black technology on the iPhone 7, I think this brand new button deserves it.
These two topics are over.
Finally I say a few of my views on the design of this generation of iPhone7 .
Apple's design philosophy headed by Jonathan I think everyone has a bit of cognition, that is to do a more integrated product than integration.
From the NewMacBook's thinner and lighter, metal ratio, cancel the interface to leave only the USB and headphones, and then to the iPhone7, cancel the headset hole, the camera bulging from the original assembly into the current one, the antenna bar only one, Home button Fixed, new bright black and front Panel 2.5D glass match to achieve a common dazzling reflex.
This is the new iPhone, more integrated.
What kind of form will the iPhone appear in the future?
Think irresponsibly:
The Home button is missing and integrated into the front panel.
The key disappears and is replaced by a force sensor.
The Lightning interface is replaced by wireless charging.
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