AppleGranted patentChips & hardwareInterest 4/10

Apple patents titanium and metal housing with thin bonding layer

Apple describes a housing for electronic devices that combines an outer titanium shell with an inner metal structure. The two different metals are joined by a microscopic layer of intermetallic compound, which is thinner than a micrometer and free of oxide particles.

Why it mattersThis design could improve the durability or manufacturing process of device casings by allowing different metals to bond securely without weak spots.

In the filing’s own words

A housing for an electronic device can include an exterior titanium portion, an interior metal joined to the exterior titanium portion, the interior metal being a different metal than the exterior titanium portion, and an intermetallic compound having a thickness of less than 1 μm disposed between the interior metal and the exterior titanium portion.

What exactly they claim (claim 1)

1. A housing for an electronic device, comprising: an exterior titanium portion; an interior metal joined to the exterior titanium portion, the interior metal being a different metal than the exterior titanium portion; and an intermetallic compound layer having a thickness of less than 1 μm disposed between the interior metal and the exterior titanium portion; wherein the intermetallic compound layer is free of discrete oxide particles.

Facts

Company: Apple (Apple Inc.)
Official title: Electronic device including clad components
Patent number: US12739995B2
Application number: 18461458
Filed: Sep 5, 2023
Granted: Sep 15, 2026
Inventors: 8
Claims: 19

Classified under

H05K 5/04 Electricity & electronicsB32B 15/017 Operations & transportG06F 1/1656 Physics & computingH05K 5/0086 Electricity & electronics

Read the full filing (official PDF) ↗ Open in the Patent Tracker

More from Apple in Chips & hardware

Apple patents glass chip base that uses light to move data Oct 8, 2026
Apple patents radar that maps rooms using moving objects Sep 1, 2026
Apple patents display method that reuses static images to save power Sep 1, 2026
Apple patents stretchable OLED displays with sealed pixel islands Sep 8, 2026
Apple patents method to fix color fringes in high-resolution displays Sep 8, 2026

Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.