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1 Lapping Film ÅngströmLap The Most Widely Used Lapping Film in the World Achieving consistent results that meet the demanding technical specifications for single mode systems requires the optimization of many factors throughout the termination and testing process. These include: Fiber Optic Center, the global supplier of ÅngströmLap, is an industry leader in developing high performance, cost effective polishing processes for some of the largest assembly houses in the world. We have or can produce an ÅngströmLap single mode or multimode process which is tailor-made for any machine, connector style and ferrule material on the market today, including multi-fiber MTs and MT-RJs. If you are having trouble with your process, our in-house process engineers can offer assistance at any time over the phone or can make on-site visits when necessary. One of the most important decisions a cable assembly production, or process manager will make, is which lapping film to use. Without a consistent lapping film, production costs can not be controlled. Instead of quickly and efficiently fulfilling work orders, costly reworks will eat up both time and resources. Lapping film that only lasts a few cycles before it needs to be thrown away can also lead to a much higher per termination cost than a film that lasts up to 10, 20 or 30 cycles. Our SEQUOIA Diamond films are designed to last well over 10 cycles. suitable single mode fiber suitable epoxy proper mixing, application & curing of epoxy connector quality & tolerances pressure & time of polishing at each step lapping film quality & consistency lapping film grit sizes & materials Diamond Film Final Film Aluminum Oxide Film Silicon Carbide Film Abrasive, Coated Flock Pile Film Cleaning Film (Non-abrasive Flock Pile Film) Seikoh Giken Film polishing solutions adapter quality & tolerances calibration & quality of test instruments and reference cables test methods & conditions overall cleanliness specific cleaning procedures FOC can supply detailed polishing instructions for most commercially available fiber optic polishing machines. Please contact us for details. Fiber Optic Center offers lapping film in the following areas; Special Note on PSA - Pressure Sensitive Adhesive Pressure Sensitive Adhesive is only recommended when it is completely necessary. Once the film is stuck to the polish surface, it cannot be removed and reused. The adhesive also creates a potential and likely problem of debris adhering to the film that cannot be removed. Any debris that comes in contact with the fiber may cause a scratch. PSA will also increase the cost of the lapping film. LAPPING FILM / A-1

2 Diamond Lapping Film / Diamond Film ÅngströmLap SEQUOIA Long Life Diamond Film Diamond lapping films cut and polish the hard ceramic ferrules and the softer fibers close to the same rate, easily controlling fiber undercut or protrusion. Diamond also helps assure the ferrule geometries meet the Telcordia GR 326 version 3 specifications, and leave the ferrule in a condition ready for the final polish film. Diamond is always recommended for the intermediate steps of machine polishing of single mode or multimode ceramic connectors, and for single mode hand polishing of ceramic connectors. When stopping at a diamond of 1um or less, a good surface finish results with great geometries, but with a return loss of -35 db at best. If back reflection of -55 db or better is required, see our Final Polish Films. SEQUOIA is the longlife diamond film which offers twice the working life of standard diamond films, therefore cutting your overall diamond lapping film consumables cost in half. During the manufacturing process, proprietary quality control steps are implemented, ranging from raw materials selection to final QC and testing. SEQUOIA is clearly at a level above all other diamond films available today. ÅngströmLap SEQUOIA Diamond Film - Sold per sheet Grit 2 Disk 2.75 Disk 110mm Disk 4 Disk 4 Disk PSA Color 30 µm D30RGO403N1 D30AR403P1 Green 15 µm D15RGO403N1 D15RGO403P1 Orange 9 µm D9AT1103N1 -- D9RRE403P1 Blue 5 µm D5BF203N1 D5BF273N1 D5BF110N1 D5BF403N1 D5BF403P1 Brown 3 µm D3BF203N1 -- D3AT1103N1 D3AT403N1 D3AT403P1 Pink 1 µm D1CT203N1 D1CT273N1 D1CT1103N1 D1CT403N1 D1CT403P1 Purple 1 um* -- D1KT273N1 D1KT1103N1 D1KT403N1 -- Purple 0.5 µm D05CF1103N1 D05CF403N1 D05FN403P1 Light Grey Grit 5 Disk 3x4 Sheet 6x6 Sheet 8 Disk 9x11 Sheet Color 30 µm D30AR503N1 -- D30AR663N1 D30AR803N1 D30AR913N1 Green 15 µm D15RGO503N1 -- D15AR663N1 D15RGO803N1 -- Orange 9 µm D9KF503N D9AT913N1 Blue 5 µm D5BF503N1 D5RGO343N1 D5BF663N1 D5BF803N1 D5BF913N1 Brown 3 µm D3AT503N1 D3RRE343N1 D3AT663N1 -- D3RGE913N1 Pink 2 um D2CT503N Tan 1 µm D1CT503N1 D1RGO343N1 D1CT663N1 D1CT803N1 D1CT913N1 Purple 1 um* D1KT503N1 -- D1KT663N1 -- D1KT913N1 Purple 0.5 µm D05CF503N D05CF913N1 Light Grey * Second generation SEQUOIA film LAPPING FILM / A-2

3 Final Polish Film Final Polish Film When a return loss of -55dB or better is needed with a controlled amount of undercut or protrusion, a special final polish film is required. This film maintains the geometry of the ferrule and improves the return loss and surface quality. The following final polish films use silicon dioxide material and will polish the ceramic ferrule and glass fiber near the same rate. These films require only distilled water, and do not need messy slurries to meet back-reflection of -55dB or better for UPC, and fiber heights compliant with IEC Telcordia specifications. ÅngströmLap SEQUOIA FPF is the latest final polish film to come from the ÅngströmLap line of films. It was developed to reduce single mode assembly production consumables cost while maintaining the most stringent manufacturing processes in the industry; therefore, lot-to-lot product consistency is assured, enabling you to achieve uniform precision polishes, keeping yields at their maximum. SEQUOIA FPF outperforms the rest, at a price that's lower than you would expect. Single Mode Final Polish Films Type 2 Disk 2.75 Disk 4 Disk 5 Disk 6x6 Sheet ÅngströmLap SEQUOIA FPF ÅngströmLap GOLD -- SEQFPF273N100 SEQFPF403N100 SEQFPF503N100 SEQFPF663N100 ALG15XY203N100 ALG15XY273N100 ALG15XY403N100 ALG15XY503N100 ALG15XY663N100 NTT FOS-01 FOS-01/2 -- FOS-01/4 FOS-01 FOS-01/6X6 NTT FOS FOS Seikoh Giken XF -- XF07 KJW101530G XF5D -- Seikoh Giken HF -- HF07 HF4D HF5D -- The above films are recommended for optimum, single mode and multimode performance but for a more economical, multimode process, the following Aluminum Oxide films from ÅngströmLap may be substituted as final films. Multimode Final Polish Films Grit 2 Disk 2.75 Disk 3x6 Sheet 3x6 Sheet PSA Color 0.5 µm -- AO05F273N100 AO05F363N100 AO05F363P100 White 0.3 µm CA03F203N100 CA03T273N100 CA03F362N100 CA03T363P100 Light Blue Grit 4 Disk 4 Disk PSA 5 Disk 5 Disk PSA Color 0.5 µm AO05F403N100 AO05F403P100 AO05F503N100 AO05F503P100 White 0.3 µm CA03F402N100 CA03F402P100 CA03F502N100 CA03T503P100 Light Blue Grit 110mm Disk 6x6 Sheet 8 Disk 9x11 Sheet 12 Disk PSA Color 0.5 µm AO05F803N100 AO05F913N White 0.3 µm CA03F1102N100 CA03T663N100 CA03F802N100 CA03T913N100 CA03T123P50 Light Blue LAPPING FILM / A-3

4 Aluminum Oxide Film ÅngströmLap Aluminum Oxide Film When diamond film is not needed, like in many multimode applications, aluminum oxide is recommended. Some aluminum oxides can even be used as the final polish. The 0.5um and 0.3um will produce return losses of -50 db or better, but because they cut the glass at a much quicker rate than the ceramic, undercut may occur. See Final Polish Films for the best final polish film options and see Silicon Carbide Films for more aggressive epoxy and glass removal. ÅngströmLap Aluminum Oxide Film - Sold in packs of film in packs of 50 Grit 2 Disk 2.75 Disk 3x6 Sheet 3x6 Sheet PSA Color 30 µm AO30F363N100 AO30F363P100 Dark Purple 16 µm AO16F363N Orange 12 µm -- AO12F273N100 AO12F363N100 AO12F363P100 Red 9 µm AO9F363N Green/Blue 5 µm AO5T363N100 AO5T363P100 White 3 µm AO3T363N100 AO3T363P100 Yellow 1 µm AO1T363N100 AO1T363P100 Light Pink 0.5 µm -- AO05F273N100 AO05F363N100 AO05F363P100 White 0.3 µm CA03F203N100 CA03T273N100 CA03F362N100 CA03T363P100 Light Blue (F) Light Green (T) Grit 4 Disk 4 Disk PSA 5 Disk 5 Disk PSA Color 30 µm AO30F403N100 AO30F403P100 AO30F503N Dark Purple 16 µm AO16F403N100 AO16F403P100 AO16F503N100 AO16F503P100 Orange 12 µm -- AO12F403P100 AO12F503N100 AO12F503P100 Red 9 µm AO9F403N100 AO9F403P100 AO9F503N100 AO9F503P100 Green/Blue 5 µm AO5T403N100 AO5T403P100 AO5T503N100 AO5T503P100 White 3 µm AO3T403N100 AO3T403P100 AO3T503N100 AO3T503P100 Yellow 1 µm AO1T403N100 AO1T403P100 AO1T503N100 AO1T503P100 Light Pink 0.5 µm AO05F403N100 AO05F403P100 AO05F503N100 AO05F503P100 White 0.3 µm CA03F402N100 CA03F402P100 CA03F502N100 CA03T503P100 Light Blue (F) Light Green (T) Grit 110mm Disk 6x6 Sheet 8 Disk 9x11 Sheet 12 Disk PSA Color 30 µm AO30F803N100 AO30F913N100 AO30F123P50 Dark Purple 16 µm -- AO16F663N100 AO16F803N100 AO16F913N Orange 12 µm AO12F803N100 AO12F913N100 AO12F123P50 Red 9 µm AO9F913N100 AO9F123P50 Green/Blue 5 µm AO5T803N100 AO5T913N100 AO5T123P50 White 3 µm AO3T1103N100 AO3T663N100 AO3T803N100 AO3T913N100 AO3T123P50 Yellow 1 µm -- AO1T663N100 AO1T803N100 AO1T913N100 AO1T123P50 Light Pink 0.5 µm AO05F803N100 AO05F913N White 0.3 µm CA03F1102N100 CA03T663N100 CA03F802N100 CA03T913N100 CA03T123P50 Light Blue (F) Light Green (T) LAPPING FILM / A-4

5 Silicon Carbide Film ÅngströmLap Silicon Carbide Film As a more aggressive material, Silicon Carbide is often recommended over Aluminum Oxide for epoxy and glass removal, and is not commonly used for the later steps in the polishing process. ÅngströmLap Silicon Carbide Film - Sold in packs of film in packs of 50 Grit 2 Disk 2.75 Disk 3x6 Sheet PSA Color 16 µm SC16F363P100 Purple/Grey 9 µm -- SC9T273N100 SC9T363P100 Blue/Grey 5 µm Yellow/Grey 3 µm SC3F203N SC3F363P100 Grey 1 µm SC1F203N SC1F363P100 Grey Grit 4 Disk 4 Disk PSA 5 Disk 5 Disk PSA Color 30 µm SC30F403N100 SC30F403P100 SC30F503N100 SC30F503P100 Green/Grey 16 µm SC16F403N100 SC16F403P100 SC16F503N100 SC16F503P100 Purple/Grey 9 µm SC9T403N100 SC9T403P100 SC9T503N100 SC9F503P100 Blue/Grey 5 µm SC5F403N100 SC5F403P100 SC5F503N100 SC5F503P100 Yellow/Grey 3 µm SC3F403N100 SC3F403P100 SC3F503N100 SC3F503P100 Grey 1 µm SC1F403N SC1F503N Grey 0.5 µm SC05F503N Grey Grit 6x6 Sheet 8 Disk 9x11 Sheet 12 Disk PSA Color 40 µm -- SC40F803N Green/Grey 30 µm SC30F663N100 SC30F803N100 SC30F913N100 SC30F123P50 Green/Grey 16 µm SC16F663N100 SC16F803N100 SC16F913N100 SC16F123P50 Purple/Grey 9 µm -- SC9T803N100 SC9T913N Blue/Grey 5 µm SC5F663N100 SC5F803N100 SC5F913N100 SC5F123P50 Yellow/Grey 3 µm -- SC3F803N SC3F123P50 Grey 1 µm -- SC1F803N SC1F123P50 Grey LAPPING FILM / A-5

6 Flock Pile Abrasive & Cleaning Film ÅngströmBrush CMP Chemical Mechanical Polish Abrasive Flock Pile Film The ÅngströmBrush CMP (chemical mechanical polish) system is an innovative system of polishing, that can polish irregular glass surfaces to a mirror finish consistently, time after time. This system uses an abrasive pad with 3-5/mm fibers coated with aluminum oxide, silicon carbide, and cerium oxide. These tiny fibers behave like a smaller, less aggressive abrasive, because they are allowed to move away from, or around the work surface. It resists being torn by sharp objects that protrude from some work surfaces. When used in conjunction with our specialty cleaning pads, this system provides controlled fiber protrusion and excellent surface quality. Other polishing systems for creating protrusion on a glass-filled polymer ferrule are available that include the use of slurries with films. ÅngströmLap Abrasive Flock Pile Film - Sold in packs of 50 Grit Material 5 Disk 5 Disk PSA Color 16 µm AlOx AO16MFPS502N50 -- Brown 9 µm SC SC9MFPS502N50 -- Brown 5 µm AlOx AO5PBN502N50 -- Brown 3 µm SC -- SC3PWBH502P50 Grey 2 µm AlOx AO2PBN502N50 -- Brown 1 µm AlOx -- AA1MFPS502P50 Brown 1 µm CeOx CE1PBN502N50 CE1MFPS502P50 Brown ÅngströmBrush Non-Abrasive Flock Pile Cleaning Film ÅngströmBrush cleaning films can be used in between each polishing step or simply after the final polish step. The tiny fibers on these multiuse films help remove particles from the connector end face and decrease chances of cross contamination, thus increasing finish quality and overall process yield. ÅngströmLap Abrasive Flock Pile Film - Sold in packs of 50 Type 5 Disk 6x6 Sheet 12 Disk ÅngströmBrush ABR60NC502N1 ABR60NC662N1 -- ÅngströmBrush w/ PSA* ABR60NC502P1 ABR60NC662P1 ABR60NC1202P1 LAPPING FILM / A-6

7 Seikoh Giken Film The 5" disk is the standard size for the Seikoh Giken SFP-550, SFP-520, SFP-510, SFP-500, the Seiko Instruments OFL-15 and OFL-16 machines and some other fiber polishing machines. The 4" disk is the standard size for the Seikoh Giken SFP-100D. The 2.75" disk is the standard size for the Seikoh Giken SFP-70D and SFP-70D2 polishing machines. Standard Polishing Film Grit 5 Disk 4 Disk 2.75 Disk Color Diamond 9 µm DR5D-9u DR4D-9u DR07-9u Purple 5 µm DG5D-5u DG4D-5u -- Orange 3 µm DH5D-3u DH4D-3u DH07-3u Lime Green 1.5 µm DI5D-1.5u DI4D-1.5u DI07-1.5u Yellow Final Film -- XF5D HF4D HF07 Clear Aluminum Oxide 5 um AR5D -- AR07 White 1 um SF5D -- SF07 White Silicon Carbide 30 um GA5D GA10 GA07 Dark Green Cleaning Film -- CF5D CF4D CF07 -- Spacer Film 50 um SP SP um MT Polishing Film Grit Part Number Material Description Color -- BR5D -- MT Middle Polish (sponge material) Brown 15 µm GC5D Silicon Carbide Adhesive Removal Dark Green 1.5 µm GI5D Silicon Carbide First Polish Grey -- GK5D Silicon Carbide Second Polish BX5D -- MT Final Polish (felt) Black 0.05 µm AO5D Aluminum Oxide MT Final Polish Yellow Polishing Oil & Slurry Part Number Description Part Number Description PL50/1 Polishing Oil, 500cc Bottle. PL-AMT Medium MT Polishing Slurry, 200g Bottle. PL-MMT Coarse MT Polishing Slurry, 200g Bottle. PL-MT Fine MT Polishing Slurry, 80g Bottle. LAPPING FILM / A-7

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