1、Dongguan Meadville Circuits Limited,16/05/2019 P. 1,IPC-A-600G培训教材 印制电路板的验收标准,Dongguan Meadville Circuits Limited,16/05/2019 P. 2,培训内容,一.IPC-A-600G的定义二.印制板的性能等级介绍三.外部可观测特性四.内部可观测特性,Dongguan Meadville Circuits Limited,16/05/2019 P. 3,范围: 本文件描述了可以从印制板的外部或或者内部观察到的理想的,接收的和拒收的状况,给出了在各种印制板规范中规定的最低要求的图示解释,
2、目的: 本文件简述每一种产品等级的接收和拒收的状况,旨在作为评定目视异常情况提供合适的工具,本文件描述的各种特性均可通过对可目视到的性能进行目测或测量加以评定.,IPC-A-600G的定义: IPC-A-600是了解和解释自动检测(ATI)结果的一种有效工具,可以作为质量保证及制造人员使用的有效目标标准 IPC: Institute of printen circuits(印制电路行业协会),Dongguan Meadville Circuits Limited,16/05/2019 P. 4,印制板的性能等级: 根据工作可靠性和性能要求将印制板分为如下三个通用等级: 1级-一般电子产品;包括
3、消费类产品、某些计算机和计算机外围设备,用于这些产品的印制板其外观缺陷并不重要,主要要求是印制板的功能;2级-专用服务电子产品:包括通讯设备,高级商用机器和仪器。这些产品要求高性能和长寿命,同时希望能够不间断地工作,但这不是关键要求,允许有某些外观缺陷;3级-高可靠性电子产品,包括要求连续工作或所要求的性能是很关键的那些设备和产品,对这些设备(例如生命支持系统或飞行控制系统)来说,不允许出现停机时间,并且一旦需要就必须工作。,Dongguan Meadville Circuits Limited,16/05/2019 P. 5,外部可观测特性如下: -表面缺陷:毛刺、缺口、划痕、凹槽、纤维划伤
4、、露织物和空洞等; -表面下缺陷:外来杂物、白斑/微裂纹、分层、粉红环及层压空洞; -导电图形的缺陷:附着力下降、由于缺口、针对、划痕、表面镀层或涂覆层缺陷等引起的导线宽度和厚度的减少; -孔的特性:孔径大小、对位不准、外来杂物及镀层或涂覆层的缺陷; -标识异常:包括位置、大小、可读性及准确度等方面; -表面阻焊涂覆层的缺陷:对位不准、起泡、气泡、分层、附着力、外伤及厚度偏差; -尺寸特性:包括印制板尺寸及厚度、孔径及图形精度、导线宽度及间距、重合度及环宽;,Dongguan Meadville Circuits Limited,16/05/2019 P. 6,毛刺 毛刺表现为不规则的小块状或
5、团状凸出于表面,它是机械加工的结果,比如钻孔或铣外形 1.1毛刺 理想状况-1、2、3级 接收状况1、2、3级 边缘状况为光滑,无毛刺 边缘状况为粗糙但无磨损,Dongguan Meadville Circuits Limited,16/05/2019 P. 7,毛刺拒收状况-1、2、3级 *边缘状况-磨损并有疏松的毛刺。 *边缘状况-毛刺影响安装和功能。,Dongguan Meadville Circuits Limited,16/05/2019 P. 8,缺口,Dongguan Meadville Circuits Limited,16/05/2019 P. 9,Dongguan Mead
6、ville Circuits Limited,16/05/2019 P. 10,晕圈,Dongguan Meadville Circuits Limited,16/05/2019 P. 11,晕圈,Dongguan Meadville Circuits Limited,16/05/2019 P. 12,露织物:,Dongguan Meadville Circuits Limited,16/05/2019 P. 13,显布纹,Dongguan Meadville Circuits Limited,16/05/2019 P. 14,Dongguan Meadville Circuits Limit
7、ed,16/05/2019 P. 15,Dongguan Meadville Circuits Limited,16/05/2019 P. 16,Dongguan Meadville Circuits Limited,16/05/2019 P. 17,Dongguan Meadville Circuits Limited,16/05/2019 P. 18,Dongguan Meadville Circuits Limited,16/05/2019 P. 19,Dongguan Meadville Circuits Limited,16/05/2019 P. 20,Dongguan Meadvi
8、lle Circuits Limited,16/05/2019 P. 21,Dongguan Meadville Circuits Limited,16/05/2019 P. 22,Dongguan Meadville Circuits Limited,16/05/2019 P. 23,Dongguan Meadville Circuits Limited,16/05/2019 P. 24,Dongguan Meadville Circuits Limited,16/05/2019 P. 25,Dongguan Meadville Circuits Limited,16/05/2019 P.
9、26,Dongguan Meadville Circuits Limited,16/05/2019 P. 27,Dongguan Meadville Circuits Limited,16/05/2019 P. 28,Dongguan Meadville Circuits Limited,16/05/2019 P. 29,Dongguan Meadville Circuits Limited,16/05/2019 P. 30,Dongguan Meadville Circuits Limited,16/05/2019 P. 31,Dongguan Meadville Circuits Limi
10、ted,16/05/2019 P. 32,Dongguan Meadville Circuits Limited,16/05/2019 P. 33,Dongguan Meadville Circuits Limited,16/05/2019 P. 34,Dongguan Meadville Circuits Limited,16/05/2019 P. 35,Dongguan Meadville Circuits Limited,16/05/2019 P. 36,Dongguan Meadville Circuits Limited,16/05/2019 P. 37,Dongguan Meadv
11、ille Circuits Limited,16/05/2019 P. 38,Dongguan Meadville Circuits Limited,16/05/2019 P. 39,Dongguan Meadville Circuits Limited,16/05/2019 P. 40,Dongguan Meadville Circuits Limited,16/05/2019 P. 41,Dongguan Meadville Circuits Limited,16/05/2019 P. 42,Dongguan Meadville Circuits Limited,16/05/2019 P.
12、 43,Dongguan Meadville Circuits Limited,16/05/2019 P. 44,Dongguan Meadville Circuits Limited,16/05/2019 P. 45,Dongguan Meadville Circuits Limited,16/05/2019 P. 46,Dongguan Meadville Circuits Limited,16/05/2019 P. 47,Dongguan Meadville Circuits Limited,16/05/2019 P. 48,Dongguan Meadville Circuits Lim
13、ited,16/05/2019 P. 49,Dongguan Meadville Circuits Limited,16/05/2019 P. 50,Dongguan Meadville Circuits Limited,16/05/2019 P. 51,Dongguan Meadville Circuits Limited,16/05/2019 P. 52,Dongguan Meadville Circuits Limited,16/05/2019 P. 53,Dongguan Meadville Circuits Limited,16/05/2019 P. 54,Dongguan Mead
14、ville Circuits Limited,16/05/2019 P. 55,Dongguan Meadville Circuits Limited,16/05/2019 P. 56,Dongguan Meadville Circuits Limited,16/05/2019 P. 57,Dongguan Meadville Circuits Limited,16/05/2019 P. 58,Dongguan Meadville Circuits Limited,16/05/2019 P. 59,Dongguan Meadville Circuits Limited,16/05/2019 P
15、. 60,Dongguan Meadville Circuits Limited,16/05/2019 P. 61,内/外层支撑孔焊环,Dongguan Meadville Circuits Limited,16/05/2019 P. 62,内/外层支撑孔焊环,Dongguan Meadville Circuits Limited,16/05/2019 P. 63,翘曲度 印制板的平整度是由产品的两种特性来确定的:即弓曲和扭曲 通常1/2/3级接受标准为普通为1.5%,表面贴装0.75%,Dongguan Meadville Circuits Limited,16/05/2019 P. 64,
16、Dongguan Meadville Circuits Limited,16/05/2019 P. 65,Dongguan Meadville Circuits Limited,16/05/2019 P. 66,Dongguan Meadville Circuits Limited,16/05/2019 P. 67,Dongguan Meadville Circuits Limited,16/05/2019 P. 68,Dongguan Meadville Circuits Limited,16/05/2019 P. 69,Dongguan Meadville Circuits Limited
17、,16/05/2019 P. 70,Dongguan Meadville Circuits Limited,16/05/2019 P. 71,Dongguan Meadville Circuits Limited,16/05/2019 P. 72,Dongguan Meadville Circuits Limited,16/05/2019 P. 73,Dongguan Meadville Circuits Limited,16/05/2019 P. 74,Dongguan Meadville Circuits Limited,16/05/2019 P. 75,Dongguan Meadvill
18、e Circuits Limited,16/05/2019 P. 76,Dongguan Meadville Circuits Limited,16/05/2019 P. 77,Dongguan Meadville Circuits Limited,16/05/2019 P. 78,Dongguan Meadville Circuits Limited,16/05/2019 P. 79,Dongguan Meadville Circuits Limited,16/05/2019 P. 80,Dongguan Meadville Circuits Limited,16/05/2019 P. 81
19、,Dongguan Meadville Circuits Limited,16/05/2019 P. 82,Dongguan Meadville Circuits Limited,16/05/2019 P. 83,Dongguan Meadville Circuits Limited,16/05/2019 P. 84,Dongguan Meadville Circuits Limited,16/05/2019 P. 85,Dongguan Meadville Circuits Limited,16/05/2019 P. 86,Dongguan Meadville Circuits Limite
20、d,16/05/2019 P. 87,Dongguan Meadville Circuits Limited,16/05/2019 P. 88,Dongguan Meadville Circuits Limited,16/05/2019 P. 89,Dongguan Meadville Circuits Limited,16/05/2019 P. 90,Dongguan Meadville Circuits Limited,16/05/2019 P. 91,Dongguan Meadville Circuits Limited,16/05/2019 P. 92,Dongguan Meadvil
21、le Circuits Limited,16/05/2019 P. 93,Dongguan Meadville Circuits Limited,16/05/2019 P. 94,Dongguan Meadville Circuits Limited,16/05/2019 P. 95,Dongguan Meadville Circuits Limited,16/05/2019 P. 96,Dongguan Meadville Circuits Limited,16/05/2019 P. 97,Dongguan Meadville Circuits Limited,16/05/2019 P. 98,Dongguan Meadville Circuits Limited,16/05/2019 P. 99,Dongguan Meadville Circuits Limited,16/05/2019 P. 100,Dongguan Meadville Circuits Limited,16/05/2019 P. 101,The End & Thanks!,