Definition of anti-static professional terms in the electronics manufacturing industry
1. Surface resistance: It is usually expressed in ohms, which means the resistance between two resistors on the same surface of a flat object (workbench or turnover box). The standard used to formulate this measurement method should be carried out. Comment.
2. Volume resistance: usually expressed in ohms, which means the resistance between two electrodes placed on the opposite surface of a flat object (workbench or packaging film). Note the thickness of the material and the measurement method used
3. Static electricity neutralization: the recombination of the charge on the charged body and the charge (electrons and ions) of the opposite sign inside and outside, which makes the electrostatic part or all disappear.
4. Electrostatic grounding connection system: the channel through which the electric charge on the charged body leaks and dissipates to the earth (someone referred to as the electrostatic grounding project).
5. Electrostatic discharge protection operation ESD: to prevent ESD damage to the treatment or operation of materials and equipment
6. Electrostatic discharge packaging ESD: Use electrostatic discharge protective materials to reduce the possibility of electrostatic discharge sensitive products being damaged by electrostatic discharge to the smallest packaging container
7. Anti-static work area ESD: equipped with various anti-static equipment and equipment, which can limit the electrostatic potential, have a definite boundary and special marks, and are suitable for electrostatic protection operations.
8. Human body static electricity: The static electricity generated and accumulated on the human body due to the human body's actions or its proximity to other charged objects
9. Static electricity elimination equipment: a device or device that can generate positive and negative ions necessary to eliminate the charge on the charged body
10. EPA: refers to anti-static area
11. ESDS: sensitive to electrostatic discharge
12. Electrostatic shielding material Static: the material that prevents electrostatic discharge or electrostatic field from passing, penetrating, or not allowing this material to damage the protected object
13. Static insulating material Static: In terms of electrostatic discharge, materials that are not defined as conductive (static) or dissipative (static) are considered insulating materials.
14. Hard grounding: a grounding method that directly connects to the ground electrode (electrostatic grounding connected to the outdoor ground)
15. Soft grounding: a grounding method that connects to the earth electrode through a set of resistors sufficient to limit the current flowing through the human body to a safe value
16. Electrostatic charge: one of the inherent properties of certain elementary particles (protons and electrons, etc.) that make up the object. There are two kinds of charges, namely: positive charge and negative charge
17. Electrostatic discharge: When the field strength around the charged body exceeds the dielectric breakdown field strength of the surrounding medium, the electric charge on the charged body partly or completely disappears due to the ionization of the medium
The English abbreviations are summarized as follows: ①CCM: charged chip model, ②CDM: charged device model, ③CMOS: complementary metal oxide semiconductor, ④EMC: electromagnetic compatibility, ⑤EBP: ground connection point, ⑥EMP: electromagnetic pulse, ⑦EPA: anti-static working area, ⑧ESD: Electrostatic discharge, ⑨ESDS: sensitive to electrostatic discharge, ⑩HBM: human body model, ⑾LSI: large-scale integration, ⑿MM: mechanical model.