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D.M Acceptable Quality Levels

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2021-02-12 03:08
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2021年2月12日发(作者:撤销)



onic International Limited



A


cceptable Quality Levels





Document number



DM-QA-001



Make date



18-Sep.-2007



e



To ensure that all products of the company can accord with the request of the client, specially make the


inspection standard.





Apply this company all PCB inspection.


3.D

< br>efine



Critical Defect=CR:



Serious shortcomings refers to the products caused by poor product is not able to use, as well as causing fault.











Major Defect=MA:









The main faults refers to the serious shortcomings of the shortcomings of their products outside the bad may


lead to product functional problems but mesh Not happen before those problems, a potential hazard of rendering.



Minor Defect=MI




Edition



V1.0

< p>


Page number



1 of 9




Minor


faults


refers


to


the


product


of


bad,


though


and


ideal


standard


somewhat


difference,


but


its


product


usability essentially unaffected.


content




4.1


Inspection according to



Page2~Page9


Quality inspection standards.


4.1.1 Consist of LOT





In a batch number on the card is a LOT





4.1.2


Sample level





If


the


contract


has


a


regulation,


in


accordance


with


the


implementation


of


the


provisions


of


the


contract


sampling; If no rules, using MIL - STD - 105 e table LEVEL



, normal inspection sheet time sampling plan AQL = 0.65


check.





4.1.3 C


riteria


:



Heavy faults acceptable level (AQL) 0.65 (functional) light faults acceptable level (AQL) 1.00 (appearance )









If there are provisions in the contract, and in accordance with the provisions decision.


4.2


If QS - 9000 customers, used the 0 accept 1 back standard.



4.3


The following items are not stipulated, in accordance with the quality supervisor sign the sample determination.






A


cceptable Quality Levels



Document number



DM-QA-001



Make date



18-Sep.-2007


Inspection


item



1.P


late edges




To


intraplate


infiltration


was


50%


of


the


plate


edge


Gap/Halo


spacing




Any local infiltration was



2.54 mm



Board


corner/


Plate edge


damage



Burr




Board blot


Board not neat, with obvious stain



Water


stain


Foreign


body


(non- condu


ctor)





Tin


slag


Board tin slag



residual




Board



Far


f


rom


the


recent


conductor


spacing



0.2mm


Reading


residual



Every board side



1place


microscope



cooper



Every place maximum size



0.5mm



Chafe conductor



Far f


rom the plate 300 mm


visual check appearance significantly




Chafed white


Scratches/


area each surface



5place


E


ach white lines each place


Magnifier


maximum size



10mm



Appear fiber bare



Chafed



Magnifier




V



Far f


rom


the


recent


conductor


spacing



0.125mm



Every board side



3place



Every place maximum size



0.8mm


Reading


microscope




V



Board appear a small amount of water strain



Magnifier


Magnifier






V


V


Cause plate edge rough broken edge



Magnifier



V




Appear layering




Make base material white length



5mm


Magnifier


V




Magnifier


V




Inspection content



Edition


﹕< /p>


V1.0



Page number



2


of 9



Defect name



Decision tool



CR


MA


MI



V




V



Indentati


on



Cause between conductor bridge




In


the


middle


of


the


bare


fiber


cause


line


spacing


reduction



20%



Medium thickness



0.09mm



Any direction of scallops Max. size



0.08mm


Magnifier



V



Scallops


Weave


exposure



/


weave


texture




Each diameter to 3 mm circle the number of together



3


Dew fabric, glass fiber is not resin completely covered



Reading


microscope




V



Magnifier


V




-board


For


power


board/


Thick


c


opper-clad


Laminate



Copper thick



2oz







Cause


conductor


spacing


decreases,


and


make


conductor spacing can't meet the minimum requirements


of


electrical


spacing






In


neighboring


between


conductor


of


the


jumper


width



50



The


distance


of


adjacent


conductor




Thermal


test


have


extended


trend




Board side with microcrack



Plate edge


spacing


50%


< p>
or



2.54mm


Delamination/Bubble


Hickie


/


microcrack



Magnifier


V




Stratified


foaming



Magnifier


V






Document number



DM-QA-001



Make date



18-Sep.-2007


Inspection


Inspection content


item


Outside



Far


from


the


minimum


range


conductor



0.125mm


inclusion



The particle's maximum size



0.8mm


4.C


onducting wire



Bolt short


circuit


A broken line/short circuit



C


onducting wire



gap/Hole/Pinhole


Comprehensive


Gap/Hole/


Pinhole


caused


by


the


decrease


of


the


line


width



Design


line width of 20%



Defect length



Wire width of the 10%



and



5 mm


Magnifier


V




Magnifier


V




Edition

< br>﹕


V1.0



Page number



3


of 9



Decision


tool


Reading


microscope



Defect name


CR


V


MA



MI



Coating


defect


Conductor


indentati


on


Copper


foil


floating


away from


Coating


defect


in


the


high


voltage,


current


experiment can't pass


Conductor


indentation



20%


of


Conductor


thickness


Find copper foil floating away from


Magnifier



V



Magnifier



V



Magnifier


V




Fill


line


forbidden



(Receive


Meet the following



condition


)


don't allow fill line


following requirements








and


outer


fill


line


comply


with


the




Impedance line are not allowed to fill line




Adjacent parallel wires are not allowed to


Magnifier


fill line at the same time



Conductor corner are not allowed to fill line




Pad


surrounding


cannot


fill


line,


fill


line


point


Fill line


distance


welding


plate


edge


distance


is


greater


than


3


mm



Pad


surrounding


cannot


fill


line,


fill


line


point


distance


welding


plate


edge


distance


is


greater


than


3


mm




Bolt length > 2 mm are not allowed to fill line



Fill line quantity



(Receive


Meet the following



condition


)



Every fill line place



5 place



every side



3 place



Fill line board ratio



8%



V





The


same


conductor


only


can


fill


line


one


time


Magnifier


V




Fill


line


way



(Receive


Meet


the


following



condition


)




Fill


line


with


line


default


is


tin


alloy,


and


repair


of



line


width


phase


matching,


other


equivalent


material



subject to confirmation agree



reliable connection




Fill


line


end


migration


acuities


design


line


width


of


10%




Fill line for cover resistance welding line need to Fill


resistance welding



Intensity


should


not


violate


The


minimum


line


spacing and medium thickness requirements




V





With the end of the wire or even take 1 mm, to ensure


Magnifier





A


cceptable Quality Levels



Document number



DM-QA-001



Make date



18-Sep.-2007


Inspection


item





Reliability of fill line



(Receive


Meet


the


following condition


)



To meet the requirements of the thermal stress test,


at the same time, thermal stress test trailing line no off


or


damage,


fill


line


resistance


variation


is


not


more


Fill line


than


10%



Resistance


to


current


test:


fill


line


end


of


line


plus


2


current,


keep


3


s,


fill


line no closed or damage. Fill line method,


should be able to through the IPC - TM - 650 2


5 4 and IPC - TM - 650 2 5 4 1 a evaluation



Adhesion


test:


reference


IPC


-


TM


-


650


2.5.4


tape test, fill line without shedding


Magnifier




V





CR


MA


MI


Inspection content



Edition


﹕< /p>


V1.0



Page number



4


of 9



Decision tool



Defect name



Conducting


wire


rough


Conducting


wire width


Conducting


wire gap


Impedance



Conductor rough



Design line width of 20%



Influence conducting wire length



13mm



Influence


conducting


wire


length



line


length 10%


The


actual


line


width


deviation


finished


product design line width over


±


20%


Line gap reduction



Design gap of 20%


The characteristic impedance change more than


design value of finished product


±


10%


Reading


microscope



Reading


microscope



Reading


microscope



Magnifier


Reading


microscope



V



V



V









Reading


microscope



V





finger


Glossiness


on


finger



Obvious


scuffing


in


key


area



Other


areas


Gold finger


of


the


scuffing


has the


dew


nickel


and


dew


scuffing


copper



Every


side


has


gold


finger


scuffing



2 place


Copper foil


Copper foil floating away from gold finger


floating


away from



finger


A



B


area


:①


Surface


coating


not


Surface


on


gold finger



complete,


has


the


dew


nickel,


dew


copper,


splash


tin



A


salient


point,


foaming,


stain



area


diameter



0.2mm



Non-critical


area


its


diameter



0.3mm



Non-critical


area


its


diameter



2 place(defect)


Gold finger


boundary dew copper area length



0.13mm


boundary


dew copper


Edge


contact


burr


plating


adhesion



Plate edge not neat



Edge rough appear


copper foil peel base material, burr inward


Magnifier


penetration > 50% of the plate edge ullage


metal falls off phenomenon


Magnifier


V




V




Reading


microscope




V



Reading


microscope




V



Magnifier


V




Magnifier



V



Gold finger oxidation, black




V


V




Solder mask


Green oil on A and B area; Green oil on gold


gold


finger length > C area length of 50%


Gold finger


Use


3


M


tape do


adhesion experiment, a coating






A


cceptable Quality Levels



Document number



DM-QA-001



Make date



18-Sep.-2007


Inspection


item





The


hole


and


design


are


discrepancy


Plugging


plugin


hole



Lead


Solder


ball


tin


plug


hole



plugging


via



Aperture


acuities


were


0.35


mm


via


lead


tin


into


the hole, and in the reflow soldering or simulation


of reflow soldering lead tin show orifice or flow to


the panel



Appear foreign body plug hole phenomenon



PTH


hole


conduction


performance


is


good,


hole


resistance acuities



1 m


?



oxidation phenomenon



PCB a


fter a wave soldering popping phenomenon;


Popping


Or


popping


phenomenon,


but


the


section


Magnifier



V





confirmed with a hole in the wall quality problem




The wall of holes breakage more than one, and


broken


hole


number


more


than


5%


of


the


total


PTH


wall


of


hole


number


of


holes







Transverse


>


90


°



(3)


is breakage


longitudinal > 5% of the plate thickness




NPTH or PTH



discrepancy with design file




less holes , more holes


Magnifier


V







CR


MA


MI


Inspection content


Edition



V1.0



Page number



5


of 9



Decision tool



Defect name



Do not meet the requirements of customer aperture


plug guage


tolerance




V





A hole residual solder ball diameter > 0.1 mm, tin


beads via quantity > plug hole 1% of the total



Magnifier



V





Plug via



Magnifier



V





Foreign body plug


hole



PTH


conduction



Magnifier



Magnifier



Magnifier



V



V






V






PTH


wall


of


hole


PTH w


all


of


hole


is


not


smooth


bright,


dirt


and


is bad


Magnifier


V



-


-


-


-


-


-


-


-



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