Industry Directory: hasl vs. enig (6)

Elna PCB (M) Sdn Bhd

Industry Directory | Manufacturer

PCB maker in Penang. 2-14 layers PCB. HASL, ENIG, OSP. ImmAg. george.lim@elnapcb.com

Elna PCB (M) Sdn Bhd

Industry Directory | Manufacturer

PCB manufacturer. 2, 4, 6, 8 layers PCB. HASL, ENIG, OSP.

New SMT Equipment: hasl vs. enig (25)

4L-ENIG-PCB

4L-ENIG-PCB

New Equipment |  

FR-4 Material 1. 0 mm Thickness 1oz copper thickness 4 Layers HASL Surface Treatment Green Solder Mask e-test

Shenzhen Longkun Technology Co.,Ltd

ENIG PCBs with red soldermask

ENIG PCBs with red soldermask

New Equipment | Fabrication Services

ENIG PCBs with red soldermask Layers: 2 Base material: FR4 Copper thickness: 1oz Board thickness: 1.6mm Min. hole size: 0.45mm Min. line width: 3 mils Min. line spacing: 3 mils Surface finishing: HASL

Shenzhen Aobo Technology Co.,Ltd

Electronics Forum: hasl vs. enig (172)

enig

Electronics Forum | Mon Jan 03 16:34:10 EST 2005 | davef

The main advantage if ENIG over HASL is that ENIG is flat and HASL generally is not. The main disadvanages to ENIG over HASL are: * Cost of ENIG is 1.5 - 2X higher than HASL * Selflife is less than HASL * You solder to nickel, rather than copper * E

enig

Electronics Forum | Tue Jan 04 12:37:41 EST 2005 | Cmiller

We have been using this finish almost exclusively for fine pitch boards for about 5 years. Make SURE you use a board house that does the gold plating in-house. There are some potential issues as DaveF stated. The only problem we have encountered is w

Industry News: hasl vs. enig (10)

Solder Tinned Pads vs Gold Plated Pads - The Importance of Selecting the Proper Surface Finish

Industry News | 2018-10-18 10:16:53.0

Solder Tinned Pads vs Gold Plated Pads - The Importance of Selecting the Proper Surface Finish

Flason Electronic Co.,limited

SMTA Launches On-line SMT Processes Re-Certification

Industry News | 2013-08-07 09:58:46.0

The SMTA launched an online re-certification program for engineers whose 10-year SMT Processes Certification is expiring.

Surface Mount Technology Association (SMTA)

Parts & Supplies: hasl vs. enig (7)

bicheng PCB prototypes

bicheng PCB prototypes

Parts & Supplies | Circuit Board Assembly Products

1). PCB prototypes to small volume. 2). Standard FR-4, 0.3-5mm thick, 1-5 oz 3). 1-30 Lalyer 4). MOQ 1 PCS 5). 4 days delivery 6). HASL, ENIG, OSP etc finish

Bicheng Enterprise Company

BICHENG Gold finger PCB

BICHENG Gold finger PCB

Parts & Supplies | Circuit Board Assembly Products

1). FR-4 Material 2). 2 layer, 1.2mm thick 3). 1 oz copper weight. 4). LPI Green solder mask/White silk screen 5). Gold finger 40 microinch, bevelled. 6). HASL + Gold finger, ENIG + gold finger 7). Larg volum, punch contour.

Bicheng Enterprise Company

Technical Library: hasl vs. enig (2)

Creep Corrosion of PWB Final Finishes: Its Cause and Prevention

Technical Library | 2021-04-08 00:30:49.0

As the electronic industry moves to lead-free assembly and finer-pitch circuits, widely used printed wiring board (PWB) finish, SnPb HASL, has been replaced with lead-free and coplanar PWB finishes such as OSP, ImAg, ENIG, and ImSn. While SnPb HASL offers excellent corrosion protection of the underlying copper due to its thick coating and inherent corrosion resistance, the lead-free board finishes provide reduced corrosion protection to the underlying copper due to their very thin coating. For ImAg, the coating material itself can also corrode in more aggressive environments. This is an issue for products deployed in environments with high levels of sulfur containing pollutants encountered in the current global market. In those corrosive environments, creep corrosion has been observed and led to product failures in very short service life (1-5 years). Creep corrosion failures within one year of product deployment have also been reported. This has prompted an industry-wide effort to understand creep corrosion

Alcatel-Lucent

Effects of PCB Substrate Surface Finish and Flux on Solderability of Lead-Free SAC305 Alloy

Technical Library | 2021-10-20 18:21:06.0

The solderability of the SAC305 alloy in contact with printed circuit boards (PCB) having different surface finishes was examined using the wetting balance method. The study was performed at a temperature of 260 _C on three types of PCBs covered with (1) hot air solder leveling (HASL LF), (2) electroless nickel immersion gold (ENIG), and (3) organic surface protectant (OSP), organic finish, all on Cu substrates and two types of fluxes (EF2202 and RF800). The results showed that the PCB substrate surface finish has a strong effect on the value of both the wetting time t0 and the contact angle h. The shortest wetting time was noted for the OSP finish (t0 = 0.6 s with EF2202 flux and t0 = 0.98 s with RF800 flux), while the ENIG finish showed the longest wetting time (t0 = 1.36 s with EF2202 flux and t0 = 1.55 s with RF800 flux). The h values calculated from the wetting balance tests were as follows: the lowest h of 45_ was formed on HASL LF (EF2202 flux), the highest h of 63_ was noted on the OSP finish, while on the ENIG finish, it was 58_ (EF2202 flux). After the solderability tests, the interface characterization of cross-sectional samples was performed by means of scanning electron microscopy coupled with energy dispersive spectroscopy.

Foundry Research Institute

Videos: hasl vs. enig (2)

PNC - Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

PNC - Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

Videos

Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

PNC Inc.

Immersion gold VS Plating gold

Videos

There are several surface treatment for PCB board: bare board (no treatment on the surface), rosin board, OSP (Organic Solderability Preservatives), HASL (lead tin, lead-free tin), plating gold, immersion gold, etc., these are relatively conscious tr

Headpcb

Express Newsletter: hasl vs. enig (150)

Evaluation of Laminates in Pb-free HASL Process and Pb-free Assembly Environment

Evaluation of Laminates in Pb-free HASL Process and Pb-free Assembly Environment SMTnet Express September 20, 2012, Subscribers: 25503, Members: Companies: 8989, Users: 33687 Evaluation of Laminates in Pb-free HASL Process and Pb-free Assembly

Partner Websites: hasl vs. enig (24)


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