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When we envisioned the new iPhone, we landed on a remarkably
thin and light design. But it’s nearly impossible to make a device so
thin and so light without sacrificing features or performance.
We could have taken the easy way out and designed something more
reasonable and less remarkable. But we didn’t. If the technology didn’t
exist, we invented it. If a component wasn’t small enough, we
re-imagined it. If convention was standing in the way, we left it
behind. The result is iPhone 5: the thinnest, lightest, fastest
iPhone ever.
iPhone 5 is just 7.6 millimeters thin. To make that happen,
Apple engineers had to think small, component by component. They created
a nano-SIM card, which is 44 percent smaller than a micro-SIM. They
also developed a unique cellular solution for iPhone 5. The conventional
approach to building LTE into a world phone uses two chips — one for
voice, one for data. On iPhone 5, both are on a single chip. The
intelligent, reversible Lightning connector is 80 percent smaller than
the 30-pin connector. The 8MP iSight camera has even more features —
like panorama and dynamic low-light mode — yet it’s 20 percent smaller.
And the new A6 chip is up to 2x faster than the A5 chip but 22 percent
smaller. Even with so much inside, iPhone 5 is 20 percent lighter and 18
percent thinner than iPhone 4S.
Making a thinner, lighter iPhone meant even the display had to
be thinner. Apple engineers accomplished that by creating the first
Retina display with integrated touch technology. Which means instead of a
separate layer of touch electrodes between display pixels, the pixels
do double duty — acting as touch-sensing electrodes while displaying the
image at the same time. With one less layer between you and what you
see on iPhone 5, you experience more clarity than ever before. All on a
display that’s 30 percent thinner than before.
Never before has this degree of fit and finish been applied to a
phone. Take the glass inlays on the back of iPhone 5, for instance.
During manufacturing, each iPhone 5 aluminum housing is photographed by
two high-powered 29MP cameras. A machine then examines the images and
compares them against 725 unique inlays to find the most precise match
for every single iPhone.
Look at iPhone 5 and you can’t help but notice the exquisite
chamfer surrounding the display. A crystalline diamond cuts this beveled
edge. It’s what gives iPhone 5 its distinctive lines. Fitting for a
phone so brilliant.
It’s not easy to create earbud-style headphones that not only
feel good in your ears, but also sit securely in your ears. That’s
because everyone’s ears are different. Using optical scans combined with
silicone molding, Apple designers created 3D models of various ear
types to find a common shape across many different people. That shape
led to the unique look of the new Apple EarPods. Unlike traditional
circular earbuds, their design is defined by the geometry of the ear.
Which makes them more comfortable for more people than any other
earbud-style headphones.
They’re more stable and durable, too. Apple engineers asked more
than 600 people to test over 100 iterations of the Apple EarPods.
Testers ran on treadmills in extreme heat and extreme cold. They
performed various cardio workouts. They were even asked to shake their
heads side to side, up and down. The result: Apple EarPods provide
stronger protection from sweat and water, and they’re remarkably stable
in the ear. Which means they stay in, even when you’re on the go.
At the same time Apple designers were trying to define an ideal
earbud shape, Apple sound engineers — acousticians — were focused on
improving sound quality. First, they established a target sound for the
Apple EarPods. That target: a person sitting in a room listening to
high-quality speakers.
The biggest determinant of what you hear from any speaker is the
movement of its diaphragm. The inward and outward motion is what
creates sound. But earbud speaker diaphragms are typically made from a
single material, which can limit sound output.
So Apple acousticians re-engineered an earbud speaker diaphragm
with both rigid and flexible materials to minimize sound loss and
maximize sound output. Adding to the superior audio quality are
strategically placed acoustic vents. The most notable of these vents is
the one located in the stem of each EarPod. It allows air inside the
stem, which acts as an acoustic chamber, to flow out. So you hear
deeper, richer bass tones. The overall audio quality of Apple EarPods is
so impressive, they rival high-end headphones that cost hundreds of
dollars more.
How a product looks and performs matters, but so does its impact
on the environment. That’s why nearly every Apple product is made from
highly recyclable materials like aluminum, and why we refuse to use
harmful toxins in our components.
Every iPhone starting with iPhone 3GS is free of brominated
flame retardants (BFRs) and polyvinyl chloride (PVC). That includes our
newest iPhone — iPhone 5. In fact, Apple has one of the strictest
BFR-free and PVC-free standards in the industry. And we expect the same
from our suppliers. We go so far as to disassemble our products into
individual components and materials in our Cupertino lab. Then we test
them using many methods, including X-ray fluorescence spectroscopy and
ion chromatography. We do this to ensure that every product we release
meets our environmental standards.
To learn more about Apple’s dedication to reducing the environmental impact of our products and processes, visit the Apple and the Environment website.
To learn more about Apple’s dedication to reducing the environmental impact of our products and processes, visit the Apple and the Environment website.
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