Ch?o b?n, t?i l? K? S? Ph?n C?ng Tr??ng t?i Ph?ng Lab K? Thu?t Vi C? ?i?n T? VietITPro. Tr?n th? h? Apple Watch Series SE 2023 (SE th? h? th? 2), Apple ?? mang ??n m?t b??c ??t ph? v? k? thu?t v?t li?u: S? k?t h?p gi?a khung vi?n h?p kim nh?m t?i ch? 100% Series 7000 (Aerospace-grade Aluminum) gia c?ng CNC si?u ch?nh x?c v? n?p l?ng ??y b?ng v?t li?u composite s?i nylon (Nylon composite material) ??c li?n m?u.
Khung v? c?a Apple Watch kh?ng ??n thu?n l? l?p ?o th?m m? b?n ngo?i. D??i g?c nh?n c? kh? ch?nh x?c, n? l? b? khung x??ng ch?u l?c (Chassis Architecture) ki?m l? ch?n b?o v? to?n b? h? sinh th?i vi m?ch b?n trong: t? kh?i bo m?ch ch? ??ng g?i nguy?n kh?i Apple S8 SiP (System-in-Package), ??ng c? rung haptic tuy?n t?nh Taptic Engine, kh?i pin Lithium-ion, c?m c?m bi?n quang h?c Bio-sensor ?o nh?p tim, cho ??n r?nh gio?ng cao su ch?u ?p l?c kh?ng n??c ? ?? s?u 50 m?t.
Khi ??ng h? b? va ??p m?nh, r?i r?t t? tr?n cao xu?ng n?n b? t?ng ho?c b? ?? c?n, khung nh?m b? m?p m?o, cong v?nh ho?c n?t v? s? ph? h?y ho?n to?n dung sai c? kh? vi m?. ?i?u n?y kh?ng ch? l?m m?t th?m m? nghi?m tr?ng m? c?n khi?n ??ng h? m?t kh? n?ng ch?ng n??c t?c th?, k?t c?ng n?t xoay Digital Crown v? ti?m ?n nguy c? n?t v? t?m n?n Retina OLED t? b?n trong.
B?i vi?t n?y t?i s? ph?n t?ch chuy?n s?u cho b?n d??i l?ng k?nh k? s?: t? c?u tr?c v?t li?u composite, r?i ro bi?n d?ng khung v?, quy tr?nh "??i ph?u di d?i to?n b? linh ki?n" (Total Chassis Migration) sang b? v? Zin m?i 100%, cho ??n k? thu?t ?p keo ron ?p l?c v? ki?m tra bu?ng ?p su?t ch?n kh?ng IP6X / 50m ISO 22810:2010.
1. C?u Tr?c C? Kh? & V?t Li?u Tr?n Apple Watch Series SE 2023
Apple Watch SE 2023 ???c thi?t k? v?i c?u tr?c hai ph?n v?t li?u c? b?n:
1.1. Khung Vi?n H?p Kim Nh?m Series 7000 (7000-Series Aluminum)
- ??c t?nh c? h?c: L? h?p kim nh?m ch?a k?m v? magie ch? ??o, Series 7000 c? ?? b?n k?o (Tensile Strength) l?n t?i 430 - 570 MPa, c?ng h?n 60% so v?i h?p kim nh?m Series 6000 th?ng th??ng.
- B? m?t Anodized: B? m?t kim lo?i ???c x? l? oxy h?a ?i?n h?a (Anodizing) t?o ra l?p oxit nh?m si?u c?ng, ch?ng tr?y x??c v? ch?ng l?i s? ?n m?n c?a m? h?i mu?i.
- Dung sai gia c?ng CNC: Khung v? ???c phay c?t CNC v?i ?? ch?nh x?c ??n 0.01mm ?? t?o ra r?nh vi?n bezel ??t m?n h?nh v? c?c khoang ??nh v? linh ki?n.
1.2. M?t ??y B?ng V?t Li?u Composite S?i Nylon (Nylon Composite Backing)
- C?i ti?n c?a SE 2023: Thay v? s? d?ng m?t g?m Ceramic ??t ti?n nh? tr?n Apple Watch Series 8/9, Apple ?? ph?t tri?n n?p l?ng b?ng composite s?i nylon cao c?p. V?t li?u n?y gi?p gi?m 13% tr?ng l??ng th?n m?y v? gi?m l??ng kh? th?i carbon trong s?n xu?t, ??ng th?i mang l?i ?? b?n c? h?c d?o dai ch?ng n?t v? khi va ??p ??y.
- T?ch h?p c?m bi?n sinh tr?c h?c: M?t composite n?y ??c li?n c?m th?u k?nh quang h?c b?o v? 4 c?m ??n LED xanh v? c?m bi?n quang h?c (Photodiode) ?o nh?p tim PPG, c?ng v?ng kim lo?i s?c kh?ng d?y t? t?nh.
2. H? Qu? K? Thu?t Khi Khung V? B? Va ??p & R?i Ro Ti?m ?n
Nhi?u ng??i d?ng khi th?y v? Apple Watch ch? b? m?p m?t g?c nh? th??ng ch? quan ti?p t?c s? d?ng. Tuy nhi?n, d??i g?c ?? k? thu?t ph?n c?ng, ??y l? m?t "qu? bom n? ch?m":
2.1. M?t Ho?n To?n Kh? N?ng Kh?ng N??c (Water Resistance Failure)
- R?nh ron cao su ch?ng n??c ch?y d?c theo m?p vi?n bezel c? chi?u r?ng ch? kho?ng 0.6mm. Khi khung nh?m b? c?n m?p d? ch? 0.2mm, m?p m?n h?nh v? khung v? s? kh?ng c?n song song tuy?t ??i, t?o ra m?t "khe h? vi m?" (Micro-gap).
- Khi ng??i d?ng ?i m?a, r?a tay ho?c b?i l?i, ?p l?c n??c s? d? d?ng v??t qua r?nh h? n?y, tr?n v?o b?n trong v? g?y ch?p ch?y bo m?ch ch? SiP S8 ch? sau v?i gi?y.
2.2. ?p L?c ?i?m (Point Load) G?y N?t M?n H?nh Retina OLED
- T?m n?n OLED v? m?t k?nh Ion-X l? v?t li?u gi?n, ch?u l?c n?n ph?n b? ??u r?t t?t nh?ng c?c k? nh?y c?m v?i l?c t?c ??ng t?p trung t?i m?t ?i?m (Point Load).
- Khi khung nh?m b? m?p m?o ?? c?n tr?c ti?p v?o c?nh k?nh, m?i khi ng??i d?ng ?n ch?m c?m ?ng ho?c rung ??ng khi ch?y b?, l?c t?p trung n?y s? l?m r?n n?t m?t k?nh t? m?p trong lan ra to?n b? m?n h?nh.
2.3. K?t C? H?c Tr?c Xoay Digital Crown & N?t Side Button
- Tr?c xoay c?a n?m Digital Crown v? n?t Side Button ???c ??t trong c?c ?ng d?n h??ng nh?m v?i dung sai si?u h?p. V? b? m?p s? ch?n ch?t v?o ph?m, khi?n Digital Crown kh?ng th? xoay ho?c n?t Side Button b? k?t c?ng, li?n t?c k?ch ho?t cu?c g?i kh?n c?p SOS.
3. Quy Tr?nh "??i Ph?u Di D?i To?n B? Linh Ki?n" (Total Chassis Migration)
Thay v? Apple Watch SE 2023 l? ca s?a ch?a c? ?? ph?c t?p cao nh?t tr?n d?ng thi?t b? ?eo tay c?a Apple, v? k? thu?t vi?n ph?i b?c t?ch v? di chuy?n 100% c?c linh ki?n vi ?i?n t? t? b? v? c? sang b? v? m?i m? kh?ng l?m suy gi?m hi?u n?ng c?a b?t k? module n?o.
C?c L?u ? K? Thu?t S?ng C?n Trong Qu? Tr?nh Sang V?:
1. B?o v? Bo M?ch SiP Apple S8: Bo m?ch ch? c?a SE 2023 l? kh?i System-in-Package ???c ?? ??y keo epoxy ?en b?o v?. Khi th?o nh?c SiP ra kh?i khung v? c?, k? s? ph?i s? d?ng dung d?ch h?a m?m keo v? k?p nh?p ph?ng, tuy?t ??i kh?ng d?ng l?c ??n b?y b? cong bo m?ch v? s? l?m n?t c?c m?i h?n BGA si?u vi m? gi?a chip S8 v? chip nh? NAND Flash.
2. C?m ?ng-Ten Flex RF Si?u M?ng: C?c d?i ?ng-ten b?t s?ng Wi-Fi, Bluetooth v? GPS ???c d?n d?c theo chu vi m?t trong c?a khung nh?m. K? s? ph?i d?ng c?n b?c t?ch nh? nh?ng t?ng g?c d?n, gi? cho d?i kim lo?i d?n s?ng ph?ng tuy?t ??i, kh?ng b? g?y g?p g?y suy hao t?n hi?u s?ng (RF Attenuation).
3. C?n Ch?nh N?m Xoay Digital Crown: Khi l?p n?m xoay sang v? m?i, ph?i ki?m tra v?ng ??m cao su O-ring ch?ng th?m n??c v? c?m bi?n quang h?c, tra m? silicon chuy?n d?ng ?? ??m b?o n?m xoay m??t m?, kh?ng b? k?t r?t ho?c l?ng l?o.
4. K? Thu?t ?p Ron Vi?n Kh?ng N??c & Hi?u Chu?n C?m Bi?n Sau Khi Sang V?
Sau khi ho?n t?t qu? tr?nh chuy?n linh ki?n sang b? v? Zin m?i, thi?t b? ph?i tr?i qua quy tr?nh t?i l?p ti?u chu?n xu?t x??ng kh?t khe t?i Ph?ng Lab VietITPro.
4.1. T?i L?p Chu?n Kh?ng N??c 50 M?t (ISO 22810:2010) & Ch?ng B?i IP6X
- VietITPro s? d?ng b? keo ron ??c s?n nhi?t ?p l?c cao ch?nh h?ng, ???c ??t ch?nh x?c v?o r?nh bezel gia c?ng CNC c?a khung v? m?i.
- Sau khi ?p m?n h?nh, thi?t b? ???c ??a v?o bu?ng th? nghi?m ?p su?t ch?n kh?ng ?? ?o ?? r? r? kh? (Air Leakage Rate). Khi v? ch? khi ?p su?t kh?ng thay ??i d??i ng??ng th? nghi?m t??ng ???ng ?? s?u 50 m?t, ??ng h? m?i ???c x?c nh?n ??t chu?n ch?ng n??c.
4.2. Hi?u Chu?n H? Th?ng C?m Bi?n C? ??ng & La B?n
- Do khung v? m?i b?ng kim lo?i c? t? t?nh vi m? kh?c nhau, sau khi sang v?, k? s? s? ti?n h?nh ch?y b?i test hi?u chu?n h? th?ng c?m bi?n:
1. La b?n s? (Digital Compass): Kh? t? tr??ng d? v? hi?u ch?nh g?c ph??ng v? b?c th?c.
2. Gia t?c k? & Con quay h?i chuy?n (Accelerometer / Gyroscope): Ki?m tra t?nh n?ng ph?t hi?n ng? (Fall Detection) v? ph?t hi?n va ch?m xe (Crash Detection) k?ch ho?t ch?nh x?c.
3. Kh? ?p k? (Barometric Altimeter): ??m b?o l? tho?t kh? ?p k? tr?n v? m?i th?ng tho?ng ?? ??ng h? ?o ch?nh x?c ?? cao leo c?u thang v? ?p su?t kh? quy?n.
5. B?ng So S?nh V? Zin Ch?nh H?ng vs V? Linh Ki?n L? Gi? R?
6. L?i K?t T? K? S? Tr??ng VietITPro
Thay v? Apple Watch Series SE 2023 l? gi?i ph?p ho?n h?o ?? h?i sinh m?t chi?c ??ng h? b? n?t m?p, tr?y x??c n?ng n? tr? v? v? ??p ho?n m? nh? l?c v?a ??p h?p. Tuy nhi?n, ?? ??m b?o an to?n tuy?t ??i cho bo m?ch ch? SiP v? gi? nguy?n v?n kh? n?ng ch?ng n??c 50 m?t ??nh cao, b?n h?y g?i g?m thi?t b? cho nh?ng k? s? gi?u kinh nghi?m t?i Ph?ng Lab K? Thu?t VietITPro. Ch?ng t?i cam k?t mang l?i ch?t l??ng ph?c h?i ho?n h?o nh?t v?i s? minh b?ch v? t?n t?m tr?n v?n!
