GB/T 37406-2019

Active

Detection method of degree of sphericity of spherical silica for electronic packaging—Particle dynamic photoelectric projection method

电子封装用球形二氧化硅微粉球形度的检测方法颗粒动态光电投影法

Standard Type

GBT

ICS

31.030

CCS

L90

Status

现行

Issue Date

2019-05-10

Implementation

2019-12-01

Responsible Dept

国家标准委

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/T 15871-1995 Hard surface photomask substrates GB/T 15870-1995 Chrome thin films for hard surface photomasks GB/T 15750-2008 Test methods for the properties of piezoelectric ceramics - Test for the ageing properties GB/T 9505-2010 Barium flash getters GB/T 6149-2010 New constantan resistance alloy GB/T 6145-2010 Manganin and constantan alloy wires,sheet and rolled wires for precision electrical resistance GB/T 25497-2010 Test methods for gas absorbency and release of getters GB/T 25496-2010 Test methods for the mechanical properties of getters