诺基亚手机可靠性测试标准(机械)

诺基亚手机可靠性测试标准(机械)


2023年11月26日发(作者:联想a880手机)

前言

手機可靠性測試

n

測試目的:

在產品設計階段發現產品之

潛在缺陷

設計缺失

,避免於預期壽命內,在正常

操作狀況下發生功能失效的情形

NOKIA 檢測中心

n

環境測試:

Charles Cai

@

在實驗室中產品在其生命週期中可

模擬

Ext: 61585

能遭遇到的各種環境條件。

環境條件與環境參數(IEC 721)

環境條件與環境參數()

環境條件

之分類

單一環境參數分類(六大類

n

自然環境

(Natural environments)

n

氣候環境

溫度低溫;溫度變化溫度循環、衝擊;濕度

自然環境主要是由於氣象地形等因數所引起

穩態濕度;大氣壓力低壓真空;

的。

落物(雨淋冰雹);輻射; 項目

n

機械環境

機械衝擊即非穩態振動),自由落體跌落外物碰

n

誘發環境

(Induced environments)

撞;穩態振動包括週期的正弦振動週期隨機

誘發環境則為系統與裝備在搬運組裝操作

振動)、音響噪音)。

時所引起的。

環境條件與環境參數()環境效

n

電磁環境

電磁環境可分為電場包括靜態場和交流場)、靜電放電

電雷擊;磁場包括靜態場和交流場)、導線傳送干擾等。

環境效

n

生物環境

環境可分為:具有物質[包含植物包含霉

應用場合下,環境於產品

]動物

響有列三種情形

n

具機械作用環境

包括砂、及具有機械顆粒

1.周圍媒介的條件,常為氣或

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具化學作用環境

包含海水鹽霧二氧化硫硫氫化物臭氧有機碳化合物

化學物質

2.與產品連接結構的條件,產品

3.部根源

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環境效()環境效()

高溫環境效低溫環境效

L

機電組件過熱

使材料硬

L

不同材料不同膨脹特性而使零卡死

L

L

潤滑劑較無黏致接點去潤滑

L

不同材料不同收縮特性而使零卡死

L

尺寸

L

由於潤滑劑增加黏去潤滑

L

功能退

L

電性如電)。

L

狀況隨溫度何不同材料不同膨脹特性

L

機電組件功能

縮短操作壽命時

L

使試件產生裂痕並改衝擊

L

環境效()環境效()

溫度變化環境效

濕度環境效

L

裝備破裂

L

卡死鬆脫

L

材料膨脹

L

結構產生分

L

絕緣材料能的退

L

電性

L

電性短路

L

由於急速凝結造成失效。

L

不同材料不同收縮膨脹特性

L

動機件由於腐蝕潤滑劑污濁造成卡死

L

組件形或破裂

L

金屬材料氧化腐蝕

L

子原件的退

環境效()環境效()

機械衝擊環境效

振動環境效

L

鄰近組件因衝擊而互相干擾

L

致使導線磨損

L

結構過負荷而形。

L

螺絲鬆脫

L

加速材料疲勞。。

L

產生電性

L

短路

L

致使組件

L

致光儀器校準

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環境效()手機可靠性驗証

鹽霧環境效

Abbreviations (縮寫)

L

金屬腐蝕

ISO:

International Organization for Standardization

L

造成

SPR:

Standard Product Requirements

L

機械件之卡死

L

裝備因份沉澱造成損傷

NMP:

Nokia Mobile Phone

NTP:

Normal Temp. and Pressure

手機可靠性驗証(續)

–縮(縮–的F驗手

–縮(縮譜見x

–縮(手圍度e

SPR a 3.1.3 Free Fall durability (FF)

SPR a 3.1.1Mechanical impact durability (RFF),

Test Description:

Reference: IEC60068-2-32

1.5m free fall

SPR a 3.1.5Free Fall durability of Combination of products,

Two drops for each side (2*6), one drop for each edge

(1*12)and two drops for each corner (2*8 )

SPR a 3.1.7Internal vibration durability,

After each drop the EUT should be checked at least

visually and functionally.

SPR a 3.1.9Twisting,

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SPR a 3.1.3 Free Fall durability (FF)

Reference: IEC60068-2-64

手機可靠性驗証(續)

–縮(縮–的F驗手

–縮(縮譜見x

–縮(手圍度e

手機可靠性驗証(續)

–縮(縮–的F驗手

–縮(縮譜見x驗手

–縮(手圍度e

SPRa3.1.6 External vibration durability

n

Test description (Bump):

80m/s2 (peak);

20 ms, half cycle sinusoidal

3*2000 pulses at X-, Y-, Z-axis

n

Accept Criteria:

Electrical

Normal performance (e.g. the functions in the phone; calling,

charging etc)

Mechanical

No fracture in construction (including inside construction;plastic

towers etc)

No changing in functions (locking, fastening etc)

4

手機可靠性驗証(續)

–縮(縮–的F驗手

–縮(縮譜見x

–縮(手圍度e

SPR a 3.1.1Mechanical impact durability (RFF),

SPR a 3.1.5Free Fall durability of Combination of products,

SPR a 3.1.7Internal vibration durability,

SPR a 3.1.9Twisting,

手機可靠性驗証(續)

–縮(縮–的F驗手

–縮(縮譜見x

–縮(手圍度e

SPR a 3.1 8 Bending and pressing

5

手機可靠性驗証(續)

–縮(縮(光

–縮(縮(范

–縮(縮(紫

SPR a 3.1.10 to 14Key usage,

SPR a 3.1.16DC-plug usage,

SPR a 3.1.18RF-connector usage,

SPR a 3.1.20Cover changing,

手機可靠性驗証(續)

–縮(縮(光

–縮(縮(范

–縮(縮(紫

6

手機可靠性驗証(續)

SPR a 3.1.10 to 14Key usage,

–縮(縮(光

SPR a 3.1.16DC-plug usage,

–縮(縮(范驗手

SPR a 3.1.18RF-connector usage,

–縮(縮(紫

SPR a 3.1.20Cover changing,

手機可靠性驗証(續)

SPR a 3.1.10 to 14Key usage,

–縮(縮(光

SPR a 3.1.16DC-plug usage,

–縮(縮(范

SPR a 3.1.18RF-connector usage,

–縮(縮(紫驗手

SPR a 3.1.20Cover changing,

手機可靠性驗証(續)手機可靠性驗証(續)

–縮(縮續(度a驗手–縮(縮續(度a

–縮(縮續°寫手G–縮(縮續°寫手G

–縮(縮–續–縮(縮–續

–縮(縮–光–縮(縮–光

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SPR a 3.1.22 SIM-card changing

手機可靠性驗証(續)

n

Failure:

–縮(縮續(度a

–縮(縮續°寫手G驗手

–縮(縮–續

–縮(縮–光

Before test

SPR a 3.1.24 Slide usage / Grip usage

手機可靠性驗証(續)

n

To test the reliability of slide springs in slide test

n

100,000 cycles open & close, and check it each 10,000

–縮(縮續(度a

cycles. It should stop the test if slide assembly is

damaged in test.

–縮(縮續°寫手G

–縮(縮–續

–縮(縮–光

SPR a 3.1.25 Flip/hinge usage

手機可靠性驗証(續)

n

Test Description:

–縮(縮續(度a

Number of cyclesTest speedEUT

100 000> 1 second / cycle10

–縮(縮續°寫手G

Open / Close cycleDamp heat cycleRandom free fall

–縮(縮–續驗手

+55

+25

Room Temp.Aps:1,2,3

–縮(縮–光

Open /

Aps:1,2,3Aps:1,2,3

Drop

Aps:1,2,3

Close

1100000150

cyclecycle

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SPR a 3.1.32 Hand strap pull out force

手機可靠性驗証(續)

n

Test Description:

Products hand strap fixing shall withstand 10 s pull out force in all

–縮(縮續(度a

directions following ways:

100N for products weights less than 100g

150 N for products weights more than 100g

–縮(縮續°寫手G

Strap fixing forceshould be within 100 or 150N to 300N.

–縮(縮–續

–縮(縮–光

Pull out tester After 100N Hand strap hole broken

SPR a 3.1.33 Pushing of product with

fingers

SPR a 3.1.21Battery changing,

SPR a 3.1.24Slide usage / Grip usage,

SPR a 3.1.32Hand strap pull out force,

SPR a 3.1.35Key cap removal properties,

SPR a 3.1.35 Key cap removal properties

手機可靠性驗証(續)

n

Test Description:

–縮(縮續(度a

Pull out fixturePull out test speedTest conditionsEUT

Depends on the keycap size etc. and must be

–縮(縮續°寫手G

determined case by case.

10 mm/minNTP6for each test case

–縮(縮–續

For Yangtze, Kowloon, the pull out force is >20N

–縮(縮–光

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手機可靠性驗証(續)

SPRa3.1.38 Vibration wearing

–縮(縮–圍的手P

n

Test Description:

Test duration for different parts under examination:

–縮(縮–紫

IMD surfaces 15 min 30 min 1 h

Painted, unpainted plastic and metal surfaces

30 min 1h 2h

IML surfaces 3 h

–縮續縮(

Printings 30 min

Key mats 3 h

Reference sample is always needed

–縮續縮續縮續容o的S

手機可靠性驗証(續)

SPRa3.1.39 Scratch test for surfaces

–縮(縮–圍的手P

n

Test Description:

Reference: ISO 1518

The estimation scale from 0 to 10 is following:

0 is No scratch mark

–縮(縮–紫

5 is Reference sample

10 is Deep, visible scratch

Reference sample:

–縮續縮(

Non-transparent samples, PC+ABS CycoloyC1000HF

Transparent samples, PMMA Plexiglas 8N

–縮續縮續縮續容o的S

ACCEPTANCE CRITERIA

Test sample is compared to reference sample.

Test requirement for painted surfaces: 0 3.

Normal performance for plastics windows: 3 6.

手機可靠性驗証(續)

SPRa3.1.40 Adhesion of product coating

–縮(縮–圍的手P

n

Test Description:

ClassificationAppearance of surface of cross-cut area

0

The edges of the cuts are completely smooth:

none of the squares of the lattice is detached

–縮(縮–紫

1

2

–縮續縮(

3

–縮續縮續縮續容o的S

4

Reference: ISO 2409

5

Any degree of flaking that cannot even be

classified by classification 4

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手機可靠性驗証(續)手機可靠性驗証(續)

–縮(縮–圍的手P–縮(縮–圍的手P

–縮(縮–紫

–縮(縮–紫

–縮續縮(

–縮續縮(

–縮續縮續縮續容o的S

–縮續縮續縮續容o的S

SPRa3.2.2.1 Cold usage (Operational)

SPRa3.2.2.1 Cold usage (Storage

and transportation

Standard test sequence for Cold operational testStandard test sequence for Cold Storage test

Aps:1,2,3

Aps:1,2,3

Aps:1,2,3

Reference: IEC 60068-2-1

Aps:1,2,3

RT

RT

RT

RT

2h

2h

2 h

2 h

-15

-40

1/min1/min

16h

1/min

16 h

1/min

= Stand by (Idle mode, standby charging)

= Action points

=Power OFF(switch OFF)

1 = Visual inspection

= Action points

2 = Electrical inspection

1 = Visual inspection

3 = Mechanical inspection

2 = Electrical inspection

3 = Mechanical inspection

手機可靠性驗証(續)

SPRa3.2.3.1 Dry Heat Usage (Operational)

–縮續縮–縮(差r的O

Standard test sequence for Dry heat operational test

+55

–縮續縮–縮–差r的m

16h

–縮–縮(縮(見n譜手d

RT

Reference: IEC 60068-2-2

RT

2 h2h

–縮–縮續手縮(容o見n的w射手c

1/min1/min

= Stand by (Idle mode, standby charging)

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SPRa3.2.3.2 Dry heat usage (Storage

and transportation)

手機可靠性驗証(續)

Standard test sequence for Dry heat Storage test

–縮續縮–縮(差r的O手手

Temperature

–縮續縮–縮–差r的m

85°C

16H

–縮–縮(縮(見n譜手d

Laboratory

environment

1°C / min2 h Time

time

–縮–縮續縮(容o見n的w射手c

=Power OFF(switch OFF)

SPRa3.2.5 Thermal shock durability

手機可靠性驗証(續)

Standard test sequence for Change of temp. test

–縮續縮–縮(差r的O手手

Reference: IEC 60068-2-14

+85°C

APs: 1,2,3

–縮續縮–縮–差r的m

APs: 1,2,3

Laboratory

1st

environment

cycle

2H

5 Cycles

–縮–縮(縮(見n譜手d

-40 °C

2H

Recovery time 1-2 h

–縮–縮續縮(容o見n的w射手c

= Power OFF (switch OFF)

SPRa3.3.1 Humidity Endurance

Cycles are repeated 6~18 times, total testing time =6~18 days

Relative

Humidity

RH = 75%

SPRa3.2.3.1Dry Heat Usage (Operational)

100%

90%

SPRa3.2.3.3Dry heat usage (mechanical functionalities)

1cycle

st

6~18 cycle

55C

SPRa3.3.1.1Humidity Endurance(6 days)

APs: 1,2,3

APs: 1,2,3

25C

3 h 9 h 3 h 9 h 2 h

SPRa3.3.2.1Condensing Humidity Endurance (without A cover)

= Power ON or OFF

= Action points

1 = Visual inspection2 = Electrical inspection

3 = Mechanical inspection

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SPRa3.3.2 Condensing Humidity

SPRa3.3.2 Condensing Humidity

Endurance

Endurance (Cont.)

l

Purpose

The purpose of the test is to determine the suitability

of the EUT for use and storage under condensate

water with rapid cyclic temperature changes.

Samples will be tested without A-cover/with A-cover.

l

Requirement

Minimum 4+ 4+ 4EUT(Idlemode)

Directions

4EUT will be tested in horizontally (flat)

4EUT bottom connector downward in 75°of horizontal line

4EUT bottom connector upward in 75°of horizontal line

手機可靠性驗証(續)

SPRa3.3.3 Rain Endurance

Reference: IEC 529

–縮–縮–見n

–縮–縮°見n

Figure 1Position 15°of vertical line

差u度o

–縮–縮譜縮續縮(容h見n的s手手手手手手手手手手手手

Figure 2Position 75°of horizontal line

手機可靠性驗証(續)

SPRa3.3.4 Salt Mist Endurance

–縮–縮–見n

Standard test sequence for salt mist test

–縮–縮°見n

差u度o

–縮–縮譜縮續縮(容h見n的s手手手手手手手手手手手手

13

手機可靠性驗証(續)

SPRa3.3.5 Dust Endurance

–縮–縮–見n

–縮–縮°見n

差u度o

–縮–縮譜縮續縮(容h見n的s手手手手手手手手手手手手

SPRa3.3.6.1 Chemical Endurance of

Materials (chemical stain)

SPRa3.3.3Rain Endurance

SPRa3.3.4Salt Mist Endurance

Dust/Bounce test

SPRa3.3.6.2.1Chemical Endurance of Material (solvent

resistance of disk)

SPRa3.3.6.2.1 Chemical Endurance

of Material (solvent resistance of disk)

SPRa3.3.3Rain Endurance

l

Requirement

Surface materialTotal load AbrasiveVacuumNumber of

(g / arm)wearing wheelsuction (%)cycles

SPRa3.3.4Salt Mist Endurance

Normal material250Felt wheels 0100

(paint, lacquer, (CS-5)

printings etc)

Dust/Bounce test

SPRa3.3.6.2.1Chemical Endurance of Material (solvent

resistance of disk)

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手機可靠性驗証(續)

SPRa3.3.6.2.2 Chemical Endurance of

Material (Solvent resistance of product)

–縮–縮–見n

l

Requirements

–縮–縮°見n

Test SolutionNicknameAbrasive wearing wheel

1

Petroleum etherGasoline

Fraction 60~95C

(~95 Octane)

差u度o

2

2-PropanolIsopropyi alcohol> 98%

–縮–縮譜縮續縮(容h見n的s手手手手手手手手手手手手

3

Artificial sweatSweat

Self-made from pure

chemicals

手機可靠性驗証(續)

Reference

IEC60068-2-5, Sa procedure A:

Simulated solar radiation at ground levels.

–縮°縮續

Reference: IEC 60068-2-5

Solar Radiation Tester

( 35~100C 250~760W/m^2)

手t的p

SPRa3.4.1 Solar Radiation (Cont.)

手機可靠性驗証(續)

Radiation

1cycle

st

Last cycle (10)

th

1120 W /m

2

0 W /m

2

Temperature

–縮°縮續

+ 55°

+ 25°C

AP 1

AP 1

2 h6 h 10 h 20 h 24 htime

手t的p

= Power OFF

+ 25°C

= Action points

1 = Electrical inspection (functional check as described in testplan) and

mechanical inspection

15

Fingerprint test

Fig.1: All surfaces are rinsed in Fig. 2: Put the sample into Ethanol Fig. 3: Dried using a hairdryer

dematerialized water and ultrasonic

Fig.6: PMMA plate placed on top of

cotton.

Fig. 5: Artificial sweat was added to the square.

Fig. 4: Cotton placed on samples

Fig. 7: Placed in climatic chamber. Fig. 8:. Polishing at a load for 1 kg.

SPRaUV Radiation 3.4.2

SO2 test (product)

SPRa3.4.1Solar Radiation

SO2 test (PWB'sor components)

Fingerprint test

手機可靠性驗証(續)

手証度J

差手容o

16

Strife test (Stress + Life)

LCD Combined Test

l

Reference

StepStressSpecification

1

Tumble75 drops, 1.0 meter high

2+70/-30C, 1 cycle=30 min(hot)/30

Thermal Shock

min (cold), total 40 cycles

3

Thermal Humidity70C, 90%RH, total 72 hours

Strife test v2 -BJ profile

LCD Combined Test

Strife test v1 -CPH profile

CSP Reliability

Extended Damp Heat

手機可靠性驗証(續)

手証度J

差手容o

17

Q&A

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